Question

Can't send or receive emails!

Posted July 8, 2014 3.4k views

Iv'e setup iRedMail on an Ubuntu 12.04 server.

But for some reason whenever I send a mail, it sends me another mail to me after some time saying “Undelivered Mail Returned To Sender”.

Moreover, I cant receive any emails either. Iv'e tried sending emails using Yahoo to my servers. And I do not even get the “Mail not sent email” either.

Thanks in Advance!

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3 answers

DO blocks outgoing mail, file a ticket.

Check your DNS configuration.

Could you pastebin the full message with headers for the “Undelivered Mail Returned To Sender” mail? If you are receiving that, the issue is not that you are having your SMTP port blocked. It’s somewhere further down the line.

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