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Mail firewall failed to verify recipients on cPanel mail server

Discussion in 'E-mail Discussions' started by garconcn, Sep 30, 2010.

  1. garconcn

    garconcn Well-Known Member

    Oct 29, 2009
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    We have a mail firewall to scan emails before it can be delivered to the mail server. We have two different mail server systems, one is SmarterMail, one is cPanel Courier. From the mail firewall log, it seems the firewall cannot verify the recipients on Courier, but it has no problem on SmarterMail. Any idea what's the problem? Thank you.

    Here is the log in mail firewall:

    Sep 30 09:23:23 xxxx sm-mta[32051]: STARTTLS=client,, field=cn_issuer, status=failed to extract CN
    Sep 30 09:23:23 xxxx sm-mta[32051]: STARTTLS=client,, version=TLSv1/SSLv3, verify=FAIL, cipher=AES256-SHA, bits=256/256

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