https://bz.apache.org/SpamAssassin/show_bug.cgi?id=7886
Bug ID: 7886
Summary: Qmail received header fails when FcrDNS is ok and TLS
is used ( ESMTPS )
Product: Spamassassin
Version: 3.4.4
Hardware: PC
OS: Mac OS X
Status: NEW
Severity: normal
Priority: P2
Component: Libraries
Assignee: [email protected]
Reporter: [email protected]
Target Milestone: Undefined
Created attachment 5739
--> https://bz.apache.org/SpamAssassin/attachment.cgi?id=5739&action=edit
patch
When receiving an email with FcrDNS and TLS qmail creates an header like this:
Received: from mta.example.net ([192.0.0.3])
(envelope-sender <[email protected]>)
by qmail-mta02 (qmail-qmail-1.0.0) with ESMTPS
for <[email protected]>; 3 Mar 2021 17:42:22 -0000
which translates to
Mar 5 11:41:57.086 [59009] dbg: received-header: parsed as [ ip=192.0.0.3
rdns= helo=mta.example.net by=qmail-mta02 ident= [email protected]
intl=0 id= auth= msa=0 ]
with "rdns= " and triggers RDNS_NONE and then others .
The attached sample can be used to test
cat sample.eml | spamassassin -Dreceived-header 2>&1 | grep parsed
Before patch :
Mar 5 11:41:57.085 [59009] dbg: received-header: parsed as [ ip=192.0.0.2
rdns=mta.example.net helo=mta.example.net by=qmail-mta02 ident=
[email protected] intl=0 id= auth= msa=0 ]
Mar 5 11:41:57.086 [59009] dbg: received-header: parsed as [ ip=192.0.0.3
rdns= helo=mta.example.net by=qmail-mta02 ident= [email protected]
intl=0 id= auth= msa=0 ]
Mar 5 11:41:57.086 [59009] dbg: received-header: parsed as [ ip=192.0.0.1
rdns=mta.example.com helo=helo.example.com by=qmail-mta01 ident=
[email protected] intl=0 id= auth= msa=0 ]
Mar 5 11:41:57.087 [59009] dbg: received-header: parsed as [ ip=192.0.0.4
rdns=mta.example.com helo=helo.example.com by=qmail-mta01 ident=
[email protected] intl=0 id= auth= msa=0 ]
After patch :
Mar 5 11:41:31.939 [58932] dbg: received-header: parsed as [ ip=192.0.0.2
rdns=mta.example.net helo=mta.example.net by=qmail-mta02 ident=
[email protected] intl=0 id= auth= msa=0 ]
Mar 5 11:41:31.939 [58932] dbg: received-header: parsed as [ ip=192.0.0.3
rdns=mta.example.net helo=mta.example.net by=qmail-mta02 ident=
[email protected] intl=0 id= auth= msa=0 ]
Mar 5 11:41:31.940 [58932] dbg: received-header: parsed as [ ip=192.0.0.1
rdns=mta.example.com helo=helo.example.com by=qmail-mta01 ident=
[email protected] intl=0 id= auth= msa=0 ]
Mar 5 11:41:31.940 [58932] dbg: received-header: parsed as [ ip=192.0.0.4
rdns=mta.example.com helo=helo.example.com by=qmail-mta01 ident=
[email protected] intl=0 id= auth= msa=0 ]
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