http://issues.apache.org/SpamAssassin/show_bug.cgi?id=4965
Summary: IPv6 address in trusted_networks
Product: Spamassassin
Version: 3.1.3
Platform: Other
OS/Version: other
Status: NEW
Severity: enhancement
Priority: P5
Component: Libraries
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
IPv6 address (with CIDR mask) should be allowed to be specified
in trusted_networks and internal_networks, with corresponding
code enhancement to properly parse and match such addresses
in Received header fields.
See RFC 3513 for alowed syntax. Postfix provides an address like
[IPv6:2001:1470:ff80:88:2e0:81ff:fe2d:22a2] in Received header
field.
Currently it is ill-advised to have MSA hosts feeding mail to
and internal MTA (where content filter runs) over IPv6, because
DUL and SPF (and related) tests do not recognize that mail
is coming from a trusted host and misfire.
Consequently one must currently force MSA hosts to forward mail
to an IPv4 MTA transport address instead of a host name (A/AAAA/MX)
to avoid MSA choosing IPv6 protocol - or avoid AAAA rr in DNS.
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