We recently noticed a message in our postfix queue that thought it was
addressed to " foo.com". After examining it, it turned out that Qpsmtpd
accepted a MAIL FROM command formatted like so:
MAIL FROM:
When it passed it to postfix, it transmographied it first into the
sender 'u...@domain.com
Hi All,
The require_resolvable_fromhost plugin returns DENYSOFT when a host doesn't
resolve. This makes sense with a well behaved host. But I've noticed that
some hosts that don't resolve will continuously retry and never seem to
disconnect. Sometimes this goes on for days. Is there a good rea
Jared Johnson wrote:
We recently noticed a message in our postfix queue that thought it was
addressed to " foo.com". After examining it, it turned out that Qpsmtpd
accepted a MAIL FROM command formatted like so:
MAIL FROM:
When it passed it to postfix, it transmographied it first into the
s
Lewis, Chris (CAR:W669) wrote:
Here's a useful meta-reference:
http://www.rfc-ignorant.org/rfcs/rfc2821.php#page72 an search for
"source route".
I didn't mention: there is now no good reason whatsoever to accept
source routes - they date back to the arpanet. It's been deprecated
since RFC
On Jul 29, 2009, at 12:07, Jared Johnson wrote:
We recently noticed a message in our postfix queue that thought it
was addressed to " foo.com". After examining it, it turned out that
Qpsmtpd accepted a MAIL FROM command formatted like so:
MAIL FROM:
Weird tha postfix would munge it. I
