[CentOS] Not receiving root mail

Anne Wilson cannewilson at googlemail.com
Mon Aug 22 12:07:27 UTC 2011


On Monday 22 Aug 2011 12:49:21 Anne Wilson wrote:
> Although I have the alias defined in /etc/aliases and /etc/postfix/aliases,
> I'm not receiving root mail.  Following the previous thread about
> unreceived logwatch mail, I tested with a manual run of logwatch, and
> found that my ISP is rejecting the mail because it is seeing an envelope
> carrying my local address.  My suspicion is that the mail is going out via
> sendmail instead of postfix-sendmail.  IIRC there used to be
> system-switch-mail or a similarly named package.  I can't find any such
> package - and can't remember which file it edited.  Can someone please
> point me to that file?
> 
The actual return report says:

<anne at xxxx.org>: host mailhost.zen.co.uk[212.23.3.98] said: 550-Verification
    failed for <anne at xxx.lan> 550-Unrouteable address 550 Envelope Sender:
    Domain must resolve in DNS! (in reply to RCPT TO command)

Anne
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