We're using MailMan2, 9.4.0, activex version.
We're having a problem with SMTP authentication when we connect to a server that does not require authentication. The control is logging the following:
SmtpCmdResp: 250-CHUNKING SmtpCmdResp: 250 XEXCH50 helloResponse: Elapsed time: 32 millisec This SMTP server did not list authentication methods. Defaulting to LOGIN authentication method. login_method: LOGIN auth_login_1: SmtpCmdSent: AUTH LOGIN SmtpCmdResp: 504 5.7.4 Unrecognized authentication type 504 5.7.4 Unrecognized authentication type Failed to send AUTH LOGIN
However, we're not setting the SmtpUsername & SmtpPassword properties, so it shouldn't try to authenticate at all, according to this question smtp-authentication-defaults-changed-in-latest-version
We can set the SmtpAuthMethod to NONE, if that will help, however that requires a code change to be pushed to our customers. Is that the fix? Or maybe was there a change to the mailman2 control?
Make sure to always post the entire LastErrorText, because seeing the version of Chilkat you are using is important. This issue is something that was fixed in v9.4.1, so I suspect you are not using the latest version..