Hello,
For informational purposes:
I have set up an ACL like this:
deny
dnslists = +exclude_unknown : bl.spamcop.net : dnsbl.tqmcube.com
!verify = sender/callout=60s,postmaster
It appears that some hotmail servers are blacklisted in tqmcube, so the callout
proceeds to the verification of sender and postmaster. But I get a 554 error for
the RSET command. I guess the RSET is issued between both checks.
(sorry for obfuscation)
2007-09-05 11:18:18 [25739] H=bay0-omc3-s24.bay0.hotmail.com
[65.54.246.224]:26852 I=[157.164.187.68]:25 sender verify fail for
<xxxxxx@???>: response to "RSET" from mx4.hotmail.com [65.54.244.104]
was: 554 Transaction failed
I know RFC2821 mandates that:
"The receiver MUST send a "250 OK" reply to a RSET command with no arguments"
And also
"The following commands MUST be
supported to conform to this specification:
EHLO
HELO
MAIL
RCPT
DATA
RSET
NOOP
QUIT
VRFY
"
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