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Would appreciate if you can shed some light on why does the log show that emails are not sent – instead they say “Queued mail for delivery”? According to the User (of my software), the email never goes out. This is happening (suddenly) to ALL their outgoing SMTP emails using Chilkat.

For example:

...
    dataCommand:
      SmtpCmdSent: DATA<CRLF>
      SmtpCmdResp: 354 Start mail input; end with <CRLF>.<CRLF>
    --dataCommand
    mimeDataSize: 234098
    smtpSendData: Elapsed time: 0 millisec
    endOfData:
      SmtpCmdSent: <CRLF>.<CRLF>
      SmtpCmdResp: 250 2.6.0 <x> [InternalId=x, Hostname=x] Queued mail for delivery
    --endOfData
    smtpFinalResponse: Elapsed time: 281 millisec
    smtpConversation: Elapsed time: 281 millisec
    Success.
  --SendEmail
--ChilkatLog

asked May 16 at 08:59

chilkat's gravatar image

chilkat ♦♦
11.8k316358421


The SMTP client (such as Chilkat, Mozilla Thunderbird, etc.) is responsible for "handing off" the email to the SMTP server for delivery (either to a local mailbox, or to a remote mailbox where the SMTP server acts as a relay). The SMTP client's task is ended when the SMTP protocol exchange is completed, and the SMTP server says "OK, I've got it and I'll take it from here.". That's what's happening here: The SMTP server says "Queued for delivery", meaning that it's received everything from the SMTP client (Chilkat) successfully, will deliver the email. If the email never actually gets delivered, then the problem is downstream of the Chilkat-->SMTP server handoff. In other words, you'll need to investigate the SMTP server, it's settings, etc. to see what's going on with it.

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answered May 16 at 08:59

chilkat's gravatar image

chilkat ♦♦
11.8k316358421

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Asked: May 16 at 08:59

Seen: 342 times

Last updated: May 16 at 08:59

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