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I use Iredmail Openldap in Centos 5. Any one help me?
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Could you share the log messages that you see when trying to send a mail? On CentOS, this is usually found in /var/log/maillog They should give you an idea why the messages are being rejected.
Sep 16 23:45:55 mail postfix/smtp: 60B121CA329: email@example.com, relay=none, delay=44386, delays=44198/36/151/0, dsn=4.4.1, status=deferred (connect to digital.com[18.104.22.168]:25: Connection timed out)
Sep 16 23:46:03 mail postfix/smtp: connect to sbcgobal.net[22.214.171.124]:25: Connection timed out
Sep 16 23:46:03 mail postfix/smtp: D30EF1C9D75: firstname.lastname@example.org, relay=none, delay=72651, delays=72464/66/121/0, dsn=4.4.1, status=deferred (connect to sbcgobal.net[126.96.36.199]:25: Connection timed out)
It looks like your SMTP port may be filtered. Can you please open up a support ticket so that the support team can check that for you? If that’s the case, they should be able to unblock it after verifying your account.
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