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Archived Forum PostQuestion:
Can not get the attachment out of the email I can read the attachment from my email reader so I know that there is an attachment
This happens to at least 10 percent of emails with attachments
Imap.KeepSessionLog = true;
Imap.VerboseLogging = true;
Imap.AutoDownloadAttachments = false;
int _numAttach = Imap.GetMailNumAttach(fullEmail); //Returns 1
int _attachSize = Imap.GetMailAttachSize(fullEmail, 0); //Returns 169898
string _fileName = Imap.GetMailAttachFilename(fullEmail, 0); //Returns null
bool attachmentSuccess = fullEmail.SaveAllAttachments(_attachmentFolder); //Returns true but no file name and no error
bool success1 = Imap.FetchAttachment(fullEmail, 0, _attachmentFolder); //Returns false
If I change Imap.AutoDownloadAttachments = true; Imap.GetMailNumAttach(fullEmail) returns 0 With Imap.AutoDownloadAttachments = false I can at least call Imap.FetchAttachmentString and see the attachment.
With an email that works Imap.FetchAttachmentString it only gets the attachments with an email that does not work FetchAttachmentString returns this
From: <valid email="">
To: <valid email="">
Subject: Important Document(s) from REMOVED NAME
Date: Wed, 5 Oct 2016 18:25:35 -0400
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="==U2FsYW1hdE9EaW9z-57f57ddf0000a595=="
--==U2FsYW1hdE9EaW9z-57f57ddf0000a595==
Content-Type: application/pdf; name="image2016-10-05-182534.pdf"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="image2016-10-05-182534.pdf"
Content-Description: image2016-10-05-182534.pdf
JVBERi0xLjUKJYCAgIAKMTEgMCBvYmoKPDwgL1R5cGUgL1BhZ2UKIC9QYXJlbnQgMyAwIFIK
L1Jlc291cmNlcyA8PCAvUHJvY1NldCBbL1BERiAvSW1hZ2VCIC9JbWFnZUMgL0ltYWdlSV0v
LOTS OF LINES REMOVED
byAxIDAgUgovUm9vdCAyIDAgUgovSUQgWyA8YzczNWQ0OWY2ZDNlN2ZkYWExNWZkODMxY2Mx
NmMwYjk+CjxjNzM1ZDQ5ZjZkM2U3ZmRhYTE1ZmQ4MzFjYzE2YzBiOT4gXQo+PgpzdGFydHhy
ZWYKMTIzMTEwCiUlRU9GCg==
--==U2FsYW1hdE9EaW9z-57f57ddf0000a595==--
with the following LastErrorText The folder does exist
ChilkatLog:
FetchAttachment(328ms):
DllDate: Sep 18 2016
ChilkatVersion: 9.5.0.59
UnlockPrefix: JHNSER.CB10917
Architecture: Little Endian; 64-bit
Language: .NET 4.6 / x64
VerboseLogging: 1
attachIndex: 0
saveToPath: D:\Data\Attachments\3\inbox\89d53704-5a42-e226-a6b8-8f9d32421521\
isExistingDirectory: 1
uid: 136
bIsUid: 1
attachmentFilename:
attachmentMsgPart: 2
attachmentEncoding: 7BIT
attachmentSize: 169898
fetchAttachment(328ms):
fetchCommand: aaah UID FETCH 136 (BODY[2])
ImapCmdSent: aaah UID FETCH 136 (BODY[2])
sendCommand: Elapsed time: 0 millisec
getFetchAttachmentResponse(328ms):
getPartialResponse(125ms):
stopString: BODY[
sbLine: * 136 FETCH (UID 136 BODY[2] {169898}
ImapCmdResp: * 136 FETCH (UID 136 BODY[2] {169898}
Found stop string.
--getPartialResponse
receiveImapBytes: Elapsed time: 203 millisec
ImapCmdResp: (169898 bytes)
finalParenLine: )
getPartialResponse:
sbLine: aaah OK UID FETCH completed
Received complete response to final tag line.
ImapCmdResp: aaah OK UID FETCH completed
--getPartialResponse
finalResponsePart: aaah OK UID FETCH completed
bReceivedToFinalTagLine: 1
bOk: 1
success: 1
--getFetchAttachmentResponse
--fetchAttachment
decodedSize: 169898
savingToFile: D:\Data\Attachments\3\inbox\89d53704-5a42-e226-a6b8-8f9d32421521\
WindowsError: The system cannot find the path specified.
WindowsErrorCode: 0x3
win32CreateFileAnsi failed.
localFilePath: D:\Data\Attachments\3\inbox\89d53704-5a42-e226-a6b8-8f9d32421521\
currentWorkingDirectory: D:\Projects\SurgeOne\SurgeOne.EmailProcessor\SurgeOne.EmailProcessor\bin\Debug
localWindowsFilePath: D:\Data\Attachments\3\inbox\89d53704-5a42-e226-a6b8-8f9d32421521\
filename: D:\Data\Attachments\3\inbox\89d53704-5a42-e226-a6b8-8f9d32421521\
Failed to write complete file (7)
Failed.
--FetchAttachment
--ChilkatLog
Other Last Error Text Messages Session Log
----IMAP REQUEST----
aaad UID FETCH 136 RFC822.SIZE
----IMAP RESPONSE----
* 136 FETCH (UID 136 RFC822.SIZE 176779)
aaad OK UID FETCH completed
----IMAP REQUEST----
aaae UID FETCH 136 (UID BODYSTRUCTURE)
----IMAP RESPONSE----
* 136 FETCH (UID 136 BODYSTRUCTURE ((("TEXT" "plain" ("charset" "US-ASCII") NIL NIL "7BIT" 1361 3 NIL ("inline" NIL) NIL NIL)("TEXT" "html" ("charset" "US-ASCII") NIL NIL "7BIT" 1413 9 NIL ("inline" NIL) NIL NIL) "alternative" ("boundary" "=====mte=boundary=number=1491=====") ("inline" NIL) NIL NIL)("MESSAGE" "RFC822" NIL NIL NIL "7BIT" 169898 ("Wed, 5 Oct 2016 18:25:35 -0400" "Important Document(s) from Lowe's" ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "daniel" "windorsolutions.com")) NIL NIL NIL NIL) (("APPLICATION" "pdf" ("name" "image2016-10-05-182534.pdf") NIL "image2016-10-05-182534.pdf" "BASE64" 169338 NIL ("attachment" ("filename" "image2016-10-05-182534.pdf")) NIL NIL) "mixed" ("boundary" "==U2FsYW1hdE9EaW9z-57f57ddf0000a595==") NIL NIL NIL) 2305 NIL ("attachment" NIL) NIL NIL) "mixed" ("boundary" "=====mte=boundary=number=1490=====") NIL NIL NIL))
aaae OK UID FETCH completed
----IMAP REQUEST----
aaaf UID FETCH 136 (FLAGS INTERNALDATE BODY[HEADER] BODY[1.MIME] BODY[1])
----IMAP RESPONSE----
* 136 FETCH (UID 136 INTERNALDATE "05-Oct-2016 22:25:41 +0000" FLAGS (\Seen) BODY[HEADER] {3464}
(3464 bytes)
BODY[1.MIME] {115}
(115 bytes)
BODY[1] {3115}
(3115 bytes)
)
aaaf OK UID FETCH completed
----IMAP REQUEST----
aaag UID FETCH 136 (BODY[2])
----IMAP RESPONSE----
* 136 FETCH (UID 136 BODY[2] {169898}
(169898 bytes)
aaag OK UID FETCH completed
----IMAP REQUEST----
aaah UID FETCH 136 (BODY[2])
----IMAP RESPONSE----
* 136 FETCH (UID 136 BODY[2] {169898}
(169898 bytes)
aaah OK UID FETCH completed
----IMAP REQUEST----
aaai UID FETCH 136 RFC822.SIZE
----IMAP RESPONSE----
* 136 FETCH (UID 136 RFC822.SIZE 176779)
aaai OK UID FETCH completed
----IMAP REQUEST----
aaaj UID FETCH 136 (UID BODYSTRUCTURE)
----IMAP RESPONSE----
* 136 FETCH (UID 136 BODYSTRUCTURE ((("TEXT" "plain" ("charset" "US-ASCII") NIL NIL "7BIT" 1361 3 NIL ("inline" NIL) NIL NIL)("TEXT" "html" ("charset" "US-ASCII") NIL NIL "7BIT" 1413 9 NIL ("inline" NIL) NIL NIL) "alternative" ("boundary" "=====mte=boundary=number=1491=====") ("inline" NIL) NIL NIL)("MESSAGE" "RFC822" NIL NIL NIL "7BIT" 169898 ("Wed, 5 Oct 2016 18:25:35 -0400" "Important Document(s) from Lowe's" ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "daniel" "windorsolutions.com")) NIL NIL NIL NIL) (("APPLICATION" "pdf" ("name" "image2016-10-05-182534.pdf") NIL "image2016-10-05-182534.pdf" "BASE64" 169338 NIL ("attachment" ("filename" "image2016-10-05-182534.pdf")) NIL NIL) "mixed" ("boundary" "==U2FsYW1hdE9EaW9z-57f57ddf0000a595==") NIL NIL NIL) 2305 NIL ("attachment" NIL) NIL NIL) "mixed" ("boundary" "=====mte=boundary=number=1490=====") NIL NIL NIL))
aaaj OK UID FETCH completed
----IMAP REQUEST----
aaak UID FETCH 136 (FLAGS INTERNALDATE BODY[HEADER] BODY[1.MIME] BODY[1])
----IMAP RESPONSE----
* 136 FETCH (UID 136 INTERNALDATE "05-Oct-2016 22:25:41 +0000" FLAGS (\Seen) BODY[HEADER] {3464}
(3464 bytes)
BODY[1.MIME] {115}
(115 bytes)
BODY[1] {3115}
(3115 bytes)
)
aaak OK UID FETCH completed
First check to see if the problem remains when using the latest version of Chilkat (v9.5.0.64).
If so, then I need two pieces of information:
1) The IMAP session log for the email fetched with AutoDownloadAttachments = false.
2) The verbose LastErrorText for the method call that fetches the email without attachments.
Also.. In this LastErrorText for the FetchAttachment method call:
ChilkatLog:
FetchAttachment(328ms):
DllDate: Sep 18 2016
ChilkatVersion: 9.5.0.59
UnlockPrefix: JHNSER.CB10917
Architecture: Little Endian; 64-bit
Language: .NET 4.6 / x64
VerboseLogging: 1
attachIndex: 0
saveToPath: D:\Data\Attachments\3\inbox\89d53704-5a42-e226-a6b8-8f9d32421521\
isExistingDirectory: 1
uid: 136
bIsUid: 1
attachmentFilename:
attachmentMsgPart: 2
attachmentEncoding: 7BIT
The "attachmentFilename" is empty. This means that either (1) no attachment filename was provided in the IMAP response when the email was fetched without headers, or (2) the attachment filename was present, but somehow it was not found when parsing the IMAP response.
If the IMAP server is not providing the attachment filename when downloading w/out attachments, then the app would need to specify a filename (somehow) or Chilkat would need to auto-generate a filename (probably not a good idea).
I am using the latest version of the application
Email that fails
Imap.SessionLog
----IMAP REQUEST----
aaad UID FETCH 136 RFC822.SIZE
----IMAP RESPONSE----
* 136 FETCH (UID 136 RFC822.SIZE 176779)
aaad OK UID FETCH completed
----IMAP REQUEST----
aaae UID FETCH 136 (UID BODYSTRUCTURE)
----IMAP RESPONSE----
* 136 FETCH (UID 136 BODYSTRUCTURE ((("TEXT" "plain" ("charset" "US-ASCII") NIL NIL "7BIT" 1361 3 NIL ("inline" NIL) NIL NIL)("TEXT" "html" ("charset" "US-ASCII") NIL NIL "7BIT" 1413 9 NIL ("inline" NIL) NIL NIL) "alternative" ("boundary" "=====mte=boundary=number=1491=====") ("inline" NIL) NIL NIL)("MESSAGE" "RFC822" NIL NIL NIL "7BIT" 169898 ("Wed, 5 Oct 2016 18:25:35 -0400" "Important Document(s) from Lowe's" ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "daniel" "windorsolutions.com")) NIL NIL NIL NIL) (("APPLICATION" "pdf" ("name" "image2016-10-05-182534.pdf") NIL "image2016-10-05-182534.pdf" "BASE64" 169338 NIL ("attachment" ("filename" "image2016-10-05-182534.pdf")) NIL NIL) "mixed" ("boundary" "==U2FsYW1hdE9EaW9z-57f57ddf0000a595==") NIL NIL NIL) 2305 NIL ("attachment" NIL) NIL NIL) "mixed" ("boundary" "=====mte=boundary=number=1490=====") NIL NIL NIL))
aaae OK UID FETCH completed
----IMAP REQUEST----
aaaf UID FETCH 136 (FLAGS INTERNALDATE BODY[HEADER] BODY[1.MIME] BODY[1])
----IMAP RESPONSE----
* 136 FETCH (UID 136 INTERNALDATE "05-Oct-2016 22:25:41 +0000" FLAGS (\Seen) BODY[HEADER] {3464}
(3464 bytes)
BODY[1.MIME] {115}
(115 bytes)
BODY[1] {3115}
(3115 bytes)
)
aaaf OK UID FETCH completed
int _numAttach = Imap.GetMailNumAttach(fullEmail); //1
int _attachSize = Imap.GetMailAttachSize(fullEmail, 0); //169898
string _fileName = Imap.GetMailAttachFilename(fullEmail, 0); //null
If I call bool attachmentSuccess = fullEmail.SaveAllAttachments(_attachmentFolder); //Returns success -- but no file is saved
This is LastErrorText
ChilkatLog:
GetMailAttachFilename:
DllDate: Nov 12 2016
ChilkatVersion: 9.5.0.64
UnlockPrefix: JHNSER.CB10917
Architecture: Little Endian; 64-bit
Language: .NET 4.6 / x64
VerboseLogging: 1
ckx-imap-attach-nm-1 header is not present or empty
index: 0
Attachment index out of range.
attachmentIndex: 0
numAttachments: 0
Failed.
--GetMailAttachFilename
--ChilkatLog
If I call string _test = Imap.FetchAttachmentString(fullEmail, 0, "utf-8");
This is LastErrorText
ChilkatLog:
FetchAttachmentString(312ms):
DllDate: Nov 12 2016
ChilkatVersion: 9.5.0.64
UnlockPrefix: JHNSER.CB10917
Architecture: Little Endian; 64-bit
Language: .NET 4.6 / x64
VerboseLogging: 1
attachIndex: 0
charset: utf-8
uid: 136
bIsUid: 1
attachmentFilename:
attachmentMsgPart: 2
attachmentEncoding: 7BIT
attachmentSize: 169898
fetchAttachment(312ms):
fetchCommand: aaag UID FETCH 136 (BODY[2])
ImapCmdSent: aaag UID FETCH 136 (BODY[2])
sendCommand: Elapsed time: 0 millisec
getFetchAttachmentResponse(312ms):
getPartialResponse(140ms):
stopString: BODY[
sbLine: * 136 FETCH (UID 136 BODY[2] {169898}
ImapCmdResp: * 136 FETCH (UID 136 BODY[2] {169898}
Found stop string.
--getPartialResponse
receiveImapBytes: Elapsed time: 172 millisec
ImapCmdResp: (169898 bytes)
finalParenLine: )
getPartialResponse:
sbLine: aaag OK UID FETCH completed
Received complete response to final tag line.
ImapCmdResp: aaag OK UID FETCH completed
--getPartialResponse
finalResponsePart: aaag OK UID FETCH completed
bReceivedToFinalTagLine: 1
bOk: 1
success: 1
--getFetchAttachmentResponse
--fetchAttachment
decodedSize: 169898
Success.
--FetchAttachmentString
--ChilkatLog
This is returned by FetchAttachmentString
From: <donotreply@lowes.com>
To: <daniel@windorsolutions.com>
Subject: Important Document(s) from Lowe's
Date: Wed, 5 Oct 2016 18:25:35 -0400
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="==U2FsYW1hdE9EaW9z-57f57ddf0000a595=="
--==U2FsYW1hdE9EaW9z-57f57ddf0000a595==
Content-Type: application/pdf; name="image2016-10-05-182534.pdf"
Content-Transfer-Encoding: base64
Content-Disposition: attachment; filename="image2016-10-05-182534.pdf"
Content-Description: image2016-10-05-182534.pdf
JVBERi0xLjUKJYCAgIAKMTEgMCBvYmoKPDwgL1R5cGUgL1BhZ2UKIC9QYXJlbnQgMyAwIFIK
L1Jlc291cmNlcyA8PCAvUHJvY1NldCBbL1BERiAvSW1hZ2VCIC9JbWFnZUMgL0ltYWdlSV0v
WE9iamVjdCA8PC9JMTMgMTMgMCBSPj4gPj4KL01lZGlhQm94IFswIDAgNjEyIDc5Ml0vUm90
CUT OUT A LOT OF LINES
IDAwMDAwIG4gCjAwMDAxMTM1MDAgMDAwMDAgbiAKdHJhaWxlcgo8PCAvU2l6ZSAxNQovSW5m
byAxIDAgUgovUm9vdCAyIDAgUgovSUQgWyA8YzczNWQ0OWY2ZDNlN2ZkYWExNWZkODMxY2Mx
NmMwYjk+CjxjNzM1ZDQ5ZjZkM2U3ZmRhYTE1ZmQ4MzFjYzE2YzBiOT4gXQo+PgpzdGFydHhy
ZWYKMTIzMTEwCiUlRU9GCg==
--==U2FsYW1hdE9EaW9z-57f57ddf0000a595==--
Email that doesn't fail -- both emails are from the same sender, have the same subject same body and both contain a pdf document
Imap.SessionLog
----IMAP REQUEST----
aaad UID FETCH 135 RFC822.SIZE
----IMAP RESPONSE----
* 135 FETCH (UID 135 RFC822.SIZE 155924)
aaad OK UID FETCH completed
----IMAP REQUEST----
aaae UID FETCH 135 (UID BODYSTRUCTURE)
----IMAP RESPONSE----
* 135 FETCH (UID 135 BODYSTRUCTURE (("TEXT" "plain" ("charset" "UTF-8") NIL NIL "7BIT" 1393 4 NIL NIL NIL NIL)("APPLICATION" "pdf" ("name" "image2016-10-05-165244.pdf") NIL "image2016-10-05-165244.pdf" "BASE64" 150648 NIL ("attachment" ("filename" "image2016-10-05-165244.pdf")) NIL NIL) "mixed" ("boundary" "==U2FsYW1hdE9EaW9z-57f5762c00060dcf==") NIL NIL NIL))
aaae OK UID FETCH completed
----IMAP REQUEST----
aaaf UID FETCH 135 (FLAGS INTERNALDATE BODY[HEADER] BODY[1.MIME] BODY[1])
----IMAP RESPONSE----
* 135 FETCH (UID 135 INTERNALDATE "05-Oct-2016 21:52:53 +0000" FLAGS (\Seen) BODY[HEADER] {3485}
(3485 bytes)
BODY[1.MIME] {45}
(45 bytes)
BODY[1] {1393}
(1393 bytes)
)
aaaf OK UID FETCH completed
int _numAttach = Imap.GetMailNumAttach(fullEmail); //1
int _attachSize = Imap.GetMailAttachSize(fullEmail, 0); //150648
string _fileName = Imap.GetMailAttachFilename(fullEmail, 0); //image2016-10-05-165244.pdf
If I call bool attachmentSuccess = fullEmail.SaveAllAttachments(_attachmentFolder); //Returns success -- file is saved to the harddrive
This is LastErrorText
ChilkatLog:
GetMailAttachFilename:
DllDate: Nov 12 2016
ChilkatVersion: 9.5.0.64
UnlockPrefix: JHNSER.CB10917
Architecture: Little Endian; 64-bit
Language: .NET 4.6 / x64
VerboseLogging: 1
Success.
--GetMailAttachFilename
--ChilkatLog
If I call string _test = Imap.FetchAttachmentString(fullEmail, 0, "utf-8");
This is LastErrorText
ChilkatLog:
FetchAttachmentString(360ms):
DllDate: Nov 12 2016
ChilkatVersion: 9.5.0.64
UnlockPrefix: JHNSER.CB10917
Architecture: Little Endian; 64-bit
Language: .NET 4.6 / x64
VerboseLogging: 1
attachIndex: 0
charset: utf-8
uid: 135
bIsUid: 1
attachmentFilename: image2016-10-05-165244.pdf
attachmentMsgPart: 2
attachmentEncoding: BASE64
attachmentSize: 150648
fetchAttachment(360ms):
fetchCommand: aaag UID FETCH 135 (BODY[2])
ImapCmdSent: aaag UID FETCH 135 (BODY[2])
sendCommand: Elapsed time: 0 millisec
getFetchAttachmentResponse(360ms):
getPartialResponse(172ms):
stopString: BODY[
sbLine: * 135 FETCH (UID 135 BODY[2] {150648}
ImapCmdResp: * 135 FETCH (UID 135 BODY[2] {150648}
Found stop string.
--getPartialResponse
receiveImapBytes: Elapsed time: 188 millisec
ImapCmdResp: (150648 bytes)
finalParenLine: )
getPartialResponse:
sbLine: aaag OK UID FETCH completed
Received complete response to final tag line.
ImapCmdResp: aaag OK UID FETCH completed
--getPartialResponse
finalResponsePart: aaag OK UID FETCH completed
bReceivedToFinalTagLine: 1
bOk: 1
success: 1
--getFetchAttachmentResponse
--fetchAttachment
decodedSize: 109932
Success.
--FetchAttachmentString
--ChilkatLog
This is returned by FetchAttachmentString
%PDF-1.5
%
11 0 obj
<< /Type /Page
/Parent 3 0 R
/Resources << /ProcSet [/PDF /ImageB /ImageC /ImageI]/XObject <</i13>> >>
/MediaBox [0 0 612 792]/Rotate 0/Contents 12 0 R >>
endobj
12 0 obj
<< /Length 76
>>
stream
q
Q
q
W
0 0 m
612 0 l
Thanks! You provided a lot of information, except for the 2nd thing I requested:
2) The verbose LastErrorText for the method call that fetches the email without attachments.
The variable named "fullEmail" contains an email. I need the verbose LastErrorText for whichever Imap method call downloaded that email. You've been giving me all of the information relating to downloading attachments after the email (without attachments) was downloaded, but I want to see the LastErrorText for the downloading of the email itself.
This post contains two LastErrorText the first block is for an email that works the second block is for an email that does not work
Email from which I can extract an attachment with the SaveAllAttachments
ChilkatLog:
FetchSingle(703ms):
DllDate: Nov 12 2016
ChilkatVersion: 9.5.0.64
UnlockPrefix: JHNSER.CB10917
Architecture: Little Endian; 64-bit
Language: .NET 4.6 / x64
VerboseLogging: 1
msgId: 135
bUid: 1
autoDownloadAttachments: 0
Getting message size for progress monitoring...
ImapCmdSent: aaad UID FETCH 135 RFC822.SIZE
getCompleteResponse(78ms):
ImapCmdResp: * 135 FETCH (UID 135 RFC822.SIZE 155924)
ImapCmdResp: aaad OK UID FETCH completed
--getCompleteResponse
totalSize: 155924
totalSize: Elapsed time: 78 millisec
fetchSingleEmailObject(625ms):
msgId: 135
isUid: 1
fetchSingleComplete(625ms):
autoDownloadAttachments: 0
fetchComplete(625ms):
autoDownloadAttachments: 0
Fetching message summary. (UID BODYSTRUCTURE)
fetchMsgSummary(359ms):
fetchMultipleSummaries(359ms):
ImapCmdSent: aaae UID FETCH 135 (UID BODYSTRUCTURE)
getCompleteResponse2(359ms):
ImapCmdResp: * 135 FETCH (UID 135 BODYSTRUCTURE (("TEXT" "plain" ("charset" "UTF-8") NIL NIL "7BIT" 1393 4 NIL NIL NIL NIL)("APPLICATION" "pdf" ("name" "image2016-10-05-165244.pdf") NIL "image2016-10-05-165244.pdf" "BASE64" 150648 NIL ("attachment" ("filename" "image2016-10-05-165244.pdf")) NIL NIL) "mixed" ("boundary" "==U2FsYW1hdE9EaW9z-57f5762c00060dcf==") NIL NIL NIL))
ImapCmdResp: aaae OK UID FETCH completed
--getCompleteResponse2
--fetchMultipleSummaries
isOK:
serverResponse: aaae OK UID FETCH completed
--isOK
parseSummary:
----
parseItem: UID
uid: 135
----
parseItem: BODYSTRUCTURE
bodystructure1: (("TEXT" "plain" ("charset" "UTF-8") NIL NIL "7BIT" 1393 4 NIL NIL NIL NIL)("APPLICATION" "pdf" ("name" "image2016-10-05-165244.pdf") NIL "image2016-10-05-165244.pdf" "BASE64" 150648 NIL ("attachment" ("filename" "image2016-10-05-165244.pdf")) NIL NIL) "mixed" ("boundary" "==U2FsYW1hdE9EaW9z-57f5762c00060dcf==") NIL NIL NIL))
aaae OK UID FETCH completed
parseBodyStructure:
parseMultipartBody:
parseBodyStructure:
parseNonMultipartBody:
type: TEXT
subType: plain
captureParenList:
charset: UTF-8
--captureParenList
contentId: NIL
descrip: NIL
encoding: 7BIT
size: 1393
numTextLines: 4
MD5: NIL
part: 1
filename:
filenameExact:
--parseNonMultipartBody
--parseBodyStructure
parseBodyStructure:
parseNonMultipartBody:
type: APPLICATION
subType: pdf
captureParenList:
name: image2016-10-05-165244.pdf
--captureParenList
contentId: NIL
descrip: image2016-10-05-165244.pdf
encoding: BASE64
size: 150648
MD5: NIL
captureDisposition:
disposition: attachment
captureParenList:
filename: image2016-10-05-165244.pdf
--captureParenList
--captureDisposition
part: 2
filename: image2016-10-05-165244.pdf
filenameExact: image2016-10-05-165244.pdf
--parseNonMultipartBody
--parseBodyStructure
multipartSubType: mixed
checkSetAttachment:
type: TEXT
multipartParentType: mixed
childIndex: 0
disposition:
bPassedAlternative: 0
bPassedRelated: 0
Not considered an attachment.
--checkSetAttachment
checkSetAttachment:
type: APPLICATION
multipartParentType: mixed
childIndex: 1
disposition: attachment
bPassedAlternative: 0
bPassedRelated: 0
Considered attachment because it is non-text under multipart/mixed.
--checkSetAttachment
imapAttachment:
filename: image2016-10-05-165244.pdf
msgPart: 2
attachmentSize: 150648
encoding: BASE64
--imapAttachment
--parseMultipartBody
--parseBodyStructure
--parseSummary
--fetchMsgSummary
numAttachmentsFromMsgSummary: 1
ImapMsgParts:
multipart/mixed ()
TEXT/plain (1)
APPLICATION/pdf (2)
--ImapMsgParts
fetchCompleteWithoutAttachments(266ms):
fetchCommand: aaaf UID FETCH 135 (FLAGS INTERNALDATE BODY[HEADER] BODY[1.MIME] BODY[1])
ImapCmdSent: aaaf UID FETCH 135 (FLAGS INTERNALDATE BODY[HEADER] BODY[1.MIME] BODY[1])
sendCommand: Elapsed time: 16 millisec
getCompleteFetchResponse2(250ms):
getPartialResponse(172ms):
stopString: BODY[HEADER]
sbLine: * 135 FETCH (UID 135 INTERNALDATE "05-Oct-2016 21:52:53 +0000" FLAGS (\Seen) BODY[HEADER] {3485}
ImapCmdResp: * 135 FETCH (UID 135 INTERNALDATE "05-Oct-2016 21:52:53 +0000" FLAGS (\Seen) BODY[HEADER] {3485}
Found stop string.
--getPartialResponse
flagsAndSizeData: * 135 FETCH (UID 135 INTERNALDATE "05-Oct-2016 21:52:53 +0000" FLAGS (\Seen) BODY[HEADER] {3485}
flags: \Seen
imapTopHeaderSize: 3485
receiveImapBytes: Elapsed time: 0 millisec
ImapCmdResp: (3485 bytes)
sbTopHeader:
--------------------------------------------------
sbTopHeader: Return-Path: <LexPrin@lowes.com>
Received: from LXVPMSGBM21.LOWES.COM ([168.244.164.170]) by mx.perfora.net
(mxeueus002) with ESMTPS (Nemesis) id 0LiVmE-1bJwsa2raG-00cfZw for
<daniel@windorsolutions.com>; Wed, 05 Oct 2016 23:52:52 +0200
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Received: from msmsgex10wprd02.lowes.com (msmsgex10wprd02.lowes.com [172.26.122.12])
(using TLS with cipher DHE-RSA-AES256-SHA (256/256 bits))
(Client did not present a certificate)
by (SMTP Banner) with SMTP id CA.D0.21931.33675F75; Wed, 5 Oct 2016 17:52:51 -0400 (EDT)
Received: from isoprt75.2851.lowes.com (172.26.202.27) by
MSMSGEX10WPRD02.lowes.com (172.26.122.12) with Microsoft SMTP Server id
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To: <daniel@windorsolutions.com>
From: <DoNotReply@lowes.com>
Date: Wed, 5 Oct 2016 16:52:44 -0500
Subject: Important Document(s) from Lowe's
X-Mailer: Lexmark MX611de
Message-ID: <1475704364.268987.67680@isoprt75.2851.lowes.com>
MIME-Version: 1.0
Content-Type: multipart/mixed;
boundary="==U2FsYW1hdE9EaW9z-57f5762c00060dcf=="
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Envelope-To: <daniel@windorsolutions.com>
X-UI-Filterresults: notjunk:1;V01:K0:39dQJ8pIt5U=:HMKAuQfK7QTx4JVZpOgKQ1GFkW
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--------------------------------------------------
--sbTopHeader
nextResponseLine:
ImapCmdResp: BODY[1.MIME] {45}
Checking for body...
sbNextLine: BODY[1.MIME] {45}
partSize: 45
receiveImapBytes: Elapsed time: 0 millisec
ImapCmdResp: (45 bytes)
--nextResponseLine
nextResponseLine:
ImapCmdResp: BODY[1] {1393}
Checking for body...
sbNextLine: BODY[1] {1393}
partSize: 1393
receiveImapBytes: Elapsed time: 0 millisec
ImapCmdResp: (1393 bytes)
--nextResponseLine
receiveFinalParenLine:
finalParenLine: )
ImapCmdResp: )
--receiveFinalParenLine
getPartialResponse(78ms):
sbLine: aaaf OK UID FETCH completed
Received complete response to final tag line.
ImapCmdResp: aaaf OK UID FETCH completed
--getPartialResponse
finalResponsePart: aaaf OK UID FETCH completed
bReceivedToFinalTagLine: 1
bOk: 1
success: 1
--getCompleteFetchResponse2
--fetchCompleteWithoutAttachments
--fetchComplete
--fetchSingleComplete
ckx-imap-internaldate: 05-Oct-2016 21:52:53 +0000
ckx-imap-uid: 135
ckx-imap-isUid: YES
ckx-imap-numAttach: 1
attachmentInfo:
ckx-imap-attach-nm-1: image2016-10-05-165244.pdf
ckx-imap-attach-sz-1: 150648
ckx-imap-attach-pt-1: 2
ckx-imap-attach-enc-1: BASE64
--attachmentInfo
parseMime: Elapsed time: 0 millisec
--fetchSingleEmailObject
Success.
--FetchSingle
--ChilkatLog
Email from which I can not extract an attachment with the SaveAllAttachments, but can still get the attachment via the FetchAttachmentString
ChilkatLog:
FetchSingle(468ms):
DllDate: Nov 12 2016
ChilkatVersion: 9.5.0.64
UnlockPrefix: JHNSER.CB10917
Architecture: Little Endian; 64-bit
Language: .NET 4.6 / x64
VerboseLogging: 1
msgId: 136
bUid: 1
autoDownloadAttachments: 0
Getting message size for progress monitoring...
ImapCmdSent: aaad UID FETCH 136 RFC822.SIZE
getCompleteResponse(109ms):
ImapCmdResp: * 136 FETCH (UID 136 RFC822.SIZE 176779)
ImapCmdResp: aaad OK UID FETCH completed
--getCompleteResponse
totalSize: 176779
totalSize: Elapsed time: 109 millisec
fetchSingleEmailObject(359ms):
msgId: 136
isUid: 1
fetchSingleComplete(359ms):
autoDownloadAttachments: 0
fetchComplete(359ms):
autoDownloadAttachments: 0
Fetching message summary. (UID BODYSTRUCTURE)
fetchMsgSummary(203ms):
fetchMultipleSummaries(203ms):
ImapCmdSent: aaae UID FETCH 136 (UID BODYSTRUCTURE)
getCompleteResponse2(203ms):
ImapCmdResp: * 136 FETCH (UID 136 BODYSTRUCTURE ((("TEXT" "plain" ("charset" "US-ASCII") NIL NIL "7BIT" 1361 3 NIL ("inline" NIL) NIL NIL)("TEXT" "html" ("charset" "US-ASCII") NIL NIL "7BIT" 1413 9 NIL ("inline" NIL) NIL NIL) "alternative" ("boundary" "=====mte=boundary=number=1491=====") ("inline" NIL) NIL NIL)("MESSAGE" "RFC822" NIL NIL NIL "7BIT" 169898 ("Wed, 5 Oct 2016 18:25:35 -0400" "Important Document(s) from Lowe's" ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "daniel" "windorsolutions.com")) NIL NIL NIL NIL) (("APPLICATION" "pdf" ("name" "image2016-10-05-182534.pdf") NIL "image2016-10-05-182534.pdf" "BASE64" 169338 NIL ("attachment" ("filename" "image2016-10-05-182534.pdf")) NIL NIL) "mixed" ("boundary" "==U2FsYW1hdE9EaW9z-57f57ddf0000a595==") NIL NIL NIL) 2305 NIL ("attachment" NIL) NIL NIL) "mixed" ("boundary" "=====mte=boundary=number=1490=====") NIL NIL NIL))
ImapCmdResp: aaae OK UID FETCH completed
--getCompleteResponse2
--fetchMultipleSummaries
isOK:
serverResponse: aaae OK UID FETCH completed
--isOK
parseSummary:
----
parseItem: UID
uid: 136
----
parseItem: BODYSTRUCTURE
bodystructure1: ((("TEXT" "plain" ("charset" "US-ASCII") NIL NIL "7BIT" 1361 3 NIL ("inline" NIL) NIL NIL)("TEXT" "html" ("charset" "US-ASCII") NIL NIL "7BIT" 1413 9 NIL ("inline" NIL) NIL NIL) "alternative" ("boundary" "=====mte=boundary=number=1491=====") ("inline" NIL) NIL NIL)("MESSAGE" "RFC822" NIL NIL NIL "7BIT" 169898 ("Wed, 5 Oct 2016 18:25:35 -0400" "Important Document(s) from Lowe's" ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "DoNotReply" "lowes.com")) ((NIL NIL "daniel" "windorsolutions.com")) NIL NIL NIL NIL) (("APPLICATION" "pdf" ("name" "image2016-10-05-182534.pdf") NIL "image2016-10-05-182534.pdf" "BASE64" 169338 NIL ("attachment" ("filename" "image2016-10-05-182534.pdf")) NIL NIL) "mixed" ("boundary" "==U2FsYW1hdE9EaW9z-57f57ddf0000a595==") NIL NIL NIL) 2305 NIL ("attachment" NIL) NIL NIL) "mixed" ("boundary" "=====mte=boundary=number=1490=====") NIL NIL NIL))
aaae OK UID FETCH completed
parseBodyStructure:
parseMultipartBody:
parseBodyStructure:
parseMultipartBody:
parseBodyStructure:
parseNonMultipartBody:
type: TEXT
subType: plain
captureParenList:
charset: US-ASCII
--captureParenList
contentId: NIL
descrip: NIL
encoding: 7BIT
size: 1361
numTextLines: 3
MD5: NIL
captureDisposition:
disposition: inline
--captureDisposition
part: 1.1
filename:
filenameExact:
--parseNonMultipartBody
--parseBodyStructure
parseBodyStructure:
parseNonMultipartBody:
type: TEXT
subType: html
captureParenList:
charset: US-ASCII
--captureParenList
contentId: NIL
descrip: NIL
encoding: 7BIT
size: 1413
numTextLines: 9
MD5: NIL
captureDisposition:
disposition: inline
--captureDisposition
part: 1.2
filename:
filenameExact:
--parseNonMultipartBody
--parseBodyStructure
multipartSubType: alternative
checkSetAttachment:
type: TEXT
multipartParentType: alternative
childIndex: 0
disposition: inline
bPassedAlternative: 0
bPassedRelated: 0
Not considered an attachment.
--checkSetAttachment
checkSetAttachment:
type: TEXT
multipartParentType: alternative
childIndex: 1
disposition: inline
bPassedAlternative: 0
bPassedRelated: 0
Not considered an attachment.
--checkSetAttachment
--parseMultipartBody
--parseBodyStructure
parseBodyStructure:
parseNonMultipartBody:
type: MESSAGE
subType: RFC822
contentId: NIL
descrip: NIL
encoding: 7BIT
size: 169898
discardEnvelope:
dateTime: Wed, 5 Oct 2016 18:25:35 -0400
subject: Important Document(s) from Lowe's
addressStructList:
addressStruct:
pname: NIL
atDomainList: NIL
mailboxName: DoNotReply
hostName: lowes.com
--addressStruct
--addressStructList
addressStructList:
addressStruct:
pname: NIL
atDomainList: NIL
mailboxName: DoNotReply
hostName: lowes.com
--addressStruct
--addressStructList
addressStructList:
addressStruct:
pname: NIL
atDomainList: NIL
mailboxName: DoNotReply
hostName: lowes.com
--addressStruct
--addressStructList
addressStructList:
addressStruct:
pname: NIL
atDomainList: NIL
mailboxName: daniel
hostName: windorsolutions.com
--addressStruct
--addressStructList
addressStructList:
NIL
--addressStructList
addressStructList:
NIL
--addressStructList
inReplyTo: NIL
messageId: NIL
--discardEnvelope
embeddedMessageBodyStruct:
parseBodyStructure:
parseMultipartBody:
parseBodyStructure:
parseNonMultipartBody:
type: APPLICATION
subType: pdf
captureParenList:
name: image2016-10-05-182534.pdf
--captureParenList
contentId: NIL
descrip: image2016-10-05-182534.pdf
encoding: BASE64
size: 169338
MD5: NIL
captureDisposition:
disposition: attachment
captureParenList:
filename: image2016-10-05-182534.pdf
--captureParenList
--captureDisposition
part: 1
filename: image2016-10-05-182534.pdf
filenameExact: image2016-10-05-182534.pdf
--parseNonMultipartBody
--parseBodyStructure
multipartSubType: mixed
checkSetAttachment:
type: APPLICATION
multipartParentType: mixed
childIndex: 0
disposition: attachment
bPassedAlternative: 0
bPassedRelated: 0
Considered attachment because it is non-text under multipart/mixed.
--checkSetAttachment
imapAttachment:
filename: image2016-10-05-182534.pdf
msgPart: 1
attachmentSize: 169338
encoding: BASE64
--imapAttachment
--parseMultipartBody
--parseBodyStructure
--embeddedMessageBodyStruct
numRfc822Lines: 2305
MD5: NIL
captureDisposition:
disposition: attachment
--captureDisposition
part: 2
filename:
filenameExact:
--parseNonMultipartBody
--parseBodyStructure
multipartSubType: mixed
checkSetAttachment:
type: MESSAGE
multipartParentType: mixed
childIndex: 1
disposition: attachment
bPassedAlternative: 1
bPassedRelated: 0
Considered attachment because child of multipart/mixed following multipart/alternative or multipart/related.
--checkSetAttachment
imapAttachment:
filename:
msgPart: 2
attachmentSize: 169898
encoding: 7BIT
--imapAttachment
--parseMultipartBody
--parseBodyStructure
--parseSummary
--fetchMsgSummary
numAttachmentsFromMsgSummary: 1
ImapMsgParts:
multipart/mixed ()
multipart/alternative (1)
TEXT/plain (1.1)
TEXT/html (1.2)
MESSAGE/RFC822 (2)
--ImapMsgParts
fetchCompleteWithoutAttachments(156ms):
fetchCommand: aaaf UID FETCH 136 (FLAGS INTERNALDATE BODY[HEADER] BODY[1.MIME] BODY[1])
ImapCmdSent: aaaf UID FETCH 136 (FLAGS INTERNALDATE BODY[HEADER] BODY[1.MIME] BODY[1])
sendCommand: Elapsed time: 0 millisec
getCompleteFetchResponse2(156ms):
getPartialResponse(94ms):
stopString: BODY[HEADER]
sbLine: * 136 FETCH (UID 136 INTERNALDATE "05-Oct-2016 22:25:41 +0000" FLAGS (\Seen) BODY[HEADER] {3464}
ImapCmdResp: * 136 FETCH (UID 136 INTERNALDATE "05-Oct-2016 22:25:41 +0000" FLAGS (\Seen) BODY[HEADER] {3464}
Found stop string.
--getPartialResponse
flagsAndSizeData: * 136 FETCH (UID 136 INTERNALDATE "05-Oct-2016 22:25:41 +0000" FLAGS (\Seen) BODY[HEADER] {3464}
flags: \Seen
imapTopHeaderSize: 3464
receiveImapBytes: Elapsed time: 0 millisec
ImapCmdResp: (3464 bytes)
sbTopHeader:
--------------------------------------------------
sbTopHeader: Return-Path: <lexprin@lowes.com>
Received: from LXVPMSGBM23.LOWES.COM ([168.244.164.172]) by mx.perfora.net
(mxeueus004) with ESMTPS (Nemesis) id 0LnRFo-1bG4eA3gnm-00hepS for
<daniel@windorsolutions.com>; Thu, 06 Oct 2016 00:25:41 +0200
X-AuditID: ac14d421-95cfd98000005d41-da-57f57de39bf2
Received: from MSMSGEX10WPRD04.lowes.com (msmsgex10wprd04.lowes.com [172.26.122.14])
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(Client did not present a certificate)
by (SMTP Banner) with SMTP id D2.16.23873.3ED75F75; Wed, 5 Oct 2016 18:25:39 -0400 (EDT)
Received: from isoprt75.0532.lowes.com (172.26.202.27) by
MSMSGEX10WPRD04.lowes.com (172.26.122.14) with Microsoft SMTP Server id
14.3.301.0; Wed, 5 Oct 2016 18:25:35 -0400
To: <daniel@windorsolutions.com>
From: <donotreply@lowes.com>
Date: Wed, 5 Oct 2016 18:25:35 -0400
Subject: Important Document(s) from Lowe's
X-Mailer: Lexmark MX611de
Message-ID: <1475706334.923020.72116@isoprt75.0532.lowes.com>
MIME-Version: 1.0
content-type: multipart/mixed; boundary="=====mte=boundary=number=1490====="
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Envelope-To: <daniel@windorsolutions.com>
X-UI-Filterresults: notjunk:1;V01:K0:zrCd/m5D5Ac=:DeT4PobWH7tEPqFFKCmKKcrwdq
mzg3t/C3PHQPecAh8+fRJlXl4mvYnIRDaSy+p+sUuJR95i2zPmNgkB6BbXsC91eM9bQNNCPP/
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--------------------------------------------------
--sbTopHeader
nextResponseLine:
ImapCmdResp: BODY[1.MIME] {115}
Checking for body...
sbNextLine: BODY[1.MIME] {115}
partSize: 115
receiveImapBytes: Elapsed time: 0 millisec
ImapCmdResp: (115 bytes)
--nextResponseLine
nextResponseLine:
ImapCmdResp: BODY[1] {3115}
Checking for body...
sbNextLine: BODY[1] {3115}
partSize: 3115
receiveImapBytes: Elapsed time: 0 millisec
ImapCmdResp: (3115 bytes)
--nextResponseLine
receiveFinalParenLine:
finalParenLine: )
ImapCmdResp: )
--receiveFinalParenLine
getPartialResponse(62ms):
sbLine: aaaf OK UID FETCH completed
Received complete response to final tag line.
ImapCmdResp: aaaf OK UID FETCH completed
--getPartialResponse
finalResponsePart: aaaf OK UID FETCH completed
bReceivedToFinalTagLine: 1
bOk: 1
success: 1
--getCompleteFetchResponse2
--fetchCompleteWithoutAttachments
--fetchComplete
--fetchSingleComplete
ckx-imap-internaldate: 05-Oct-2016 22:25:41 +0000
ckx-imap-uid: 136
ckx-imap-isUid: YES
ckx-imap-numAttach: 1
attachmentInfo:
ckx-imap-attach-nm-1:
ckx-imap-attach-sz-1: 169898
ckx-imap-attach-pt-1: 2
ckx-imap-attach-enc-1: 7BIT
--attachmentInfo
parseMime: Elapsed time: 0 millisec
--fetchSingleEmailObject
Success.
--FetchSingle
--ChilkatLog
I understand the problem. The emails that have problems are because the "attachments" are really attachments within an attached email. In other words, the email itself has no direct attachments.
The email has an attached message, and the attached message contains within it a PDF attachment.
Normally, an email that has an attached message is such that the attached message is opaque. In other words, to get at the attachments contained within the attached messages, you would first get the attached email object via the GetAttachedMessage method. The Email object returned by GetAttachedMessage would contain the expected attachments.
For example, if you downloaded the full email, you would be surprised to see that it has no attachments. This is correct because it has an attached message, and within it are the attachments.
The difficulty is this: With the IMAP protocol, it would be good to download the email w/out the bulk data (i.e. without attachments) so we can see what's there and then pick-and-choose what to download. If the download-without-attachments indicates N attachments, but the download-full-email indicates no attachments, then people will be confused. I think at this point we'll just have to document the behavior...
The problem here is that Chilkat sees the attachments within the attached message, but is somehow not parsing the name/filename. Therefore, when you try to save the attachment to a file, there is no filename and it fails. (Getting as a string succeeds because the filename is not needed for it.) I'll see what I can do to fix it..
I don't need a "smooth" solution but I do need a reliable solution.
E.g. if there is a way to check whether it is an attached document or an attached message and than process the message accordingly would be sufficient.
At the moment this is how I am dealing with it. I feel that checking for a missing file name is not a very robust way to determine how to process the attachments.
for (int _iAttachment = 0; _iAttachment < _numAttachments; _iAttachment++)
{
string _fileName = Imap.GetMailAttachFilename(_email, _iAttachment);
//There are two flows here -- emails that work and emails that do not work
if (_fileName == null)
{
byte[] _attachmentContent = Imap.FetchAttachmentBytes(_email, _iAttachment);
//MimeMessage is part of MimeKit a different library
var message = MimeMessage.Load(new MemoryStream(_attachmentContent));
foreach (MimeEntity _mimeEntity in message.Attachments)
{
if (_mimeEntity.ContentType.MimeType != null &&
_mimeEntity.ContentType.MimeType.Equals(@"application/pdf", StringComparison.OrdinalIgnoreCase))
{
MimePart _mimePart = (MimePart)_mimeEntity;
var fileStream = File.Create(_attachmentFolder + "\\" + _mimePart.FileName);
_mimePart.ContentObject.Stream.Seek(0, SeekOrigin.Begin);
_mimePart.ContentObject.DecodeTo(fileStream);
fileStream.Close();
//Create PDF Entry in the database
CreatePDF(_emailEntity, _mimePart.FileName);
}
}
}
else
{
string _extension = System.IO.Path.GetExtension(_fileName);
if (_extension != null &&
_extension.Equals(".pdf", StringComparison.OrdinalIgnoreCase))
{
byte[] _attachmentContent = Imap.FetchAttachmentBytes(_email, _iAttachment);
File.WriteAllBytes(_attachmentFolder + "\\" + _fileName, _attachmentContent);
//Create PDF Entry in the database
CreatePDF(_emailEntity, _fileName);
}
}
}
After digging into the code, I see that it's not possible to consider the attachments contained within an attached message as "attachments" in the outer-layer email. In other words, technically the troublesome email has no direct attachments. It only has an attached message. After the fix, fetching that email will indicate that it has no attachments.
Here's the new build with the fix:
http://chilkatdownload.com/prerelease/chilkatdotnet46-9.5.0-win32.zip
http://chilkatdownload.com/prerelease/chilkatdotnet46-9.5.0-x64.zip
After downloading the email w/out attachments, check the email.NumAttachedMessages property. If non-zero, then get the attached message, and any attachments contained within it should be present (I think.. I still need to test this..)