Mail delivery fails: recipient not co-operative

We are trying to send emails to ebidding@example.com[/EMAIL] but the mail gets bounced with the following error.


This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  ebidding@example.com
    The mail server could not deliver mail to ebidding@example.com.  The account or domain may not exist, they may be blacklisted, or missing the proper dns entries.

Checking with MXTOOLBOX, we find that they are on a blacklist and the PTR record is also missing for their domain name. On following up, we find that the IT manager is not co-operative and hides behind the fact that they are getting emails from other senders. Sending emails to them and receiving from them (they are a government agency) is vital for us. Is there a way we can bypass all checks for their server so that we can send emails and receive their emails? Thanks for the help!

cPanelMichael

September 20, 2016 20:28

Hello, It's possible the remote mail server is blocking messages from your server. Could you search for an affected message in /var/log/exim_mainlog and let us know the output? EX:
exigrep ebidding@example.com /var/log/exim_mainlog
Thank you.

ebizindia

September 21, 2016 06:14

Thanks. The MX record of the recipient server was incorrect (IP in MX). We had to bypass by adding a setting in Exim Advanced settings. The problem is resolved now.

September 21, 2016 12:59

I'm happy to see the issue is now resolved. Thank you for updating us with the outcome.

Mail delivery fails: recipient not co-operative

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