tower <[email protected]> (Di 28 Sep 2010 13:42:35 CEST): > Hi > > How can i modify my callout option to resolve problem with: > > 2010-09-27 11:19:32 H=domain.com [123.123.123.123]:56505 > I=[234.234.234]:25 sender verify fail for <[email protected]>: response > to "MAIL FROM:<>" from a.mx.domain.com [217.153.18.125] was: 550 5.5.0 > Sender domain is empty.
… I'd say, it is a misconfiguration of the other side, since the sender
*can* be empty (for bounces). Checking the sender using a callback to
the responsible MX IMHO has to use an empty sender itself.
> My callout option in ACL:
>
> deny
> message = Unable to verify sender address ($sender_address).
> !verify =
> sender/callout=4m,maxwait=4m,connect=30s,defer_ok
Check for use_postmaster and postmaster_mailfrom in the spec.txt.
Best regards from Dresden/Germany
Viele Grüße aus Dresden
Heiko Schlittermann
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