Chris Godwin wrote:

Hello all,

 

            I’m new to qmail toaster, not new to qmail. I have a centos install of qmail toaster. I would say that about 20% of all email destined for the server gets dropped by qmail-smtpd, which exites with code 11 according to tcpserver. I cannot determine why this is happening. As a work around, I’m running all mail into a postfix machine, which then delivers it to the qmail-toaster machine. In that configuration I do not see the signal 11. This leads me to believe that it isn’t an issue with the content of the message killing qmail-smtpd, but rather the source in which it is coming from. Has anyone seen this or know about it?

 



Try setting your SPF level to 0.
There was a bug in the past where if someone used colons (:) instead of spaces for delimeters, which may be rearing it's head.
You can also set this for specific IPs in your tcp.smtp file like this:
216.55.147.14:allow,SPFBEHAVIOR="0"

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