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http://bugs.exim.org/show_bug.cgi?id=1343
Summary: local_from_check influences local and TCP submitted
messages
Product: Exim
Version: 4.72
Platform: Other
OS/Version: Linux
Status: NEW
Severity: bug
Priority: low
Component: Documentation
AssignedTo: nigel@???
ReportedBy: hs+exim@???
CC: exim-dev@???
The spec.txt explains
+----------------+---------+-------------+-------------+
|local_from_check|Use: main|Type: boolean|Default: true|
+----------------+---------+-------------+-------------+
When a message is submitted locally (that is, not over a TCP/IP connection)
by
an untrusted user, Exim removes any existing Sender: header line, and
checks
that the From: header line matches the login of the calling user and the
domain
specified by qualify_domain.
…
For messages received over TCP/IP, an ACL can specify "submission mode" to
request similar header line checking. See section 46.16, which has more
details
about Sender: processing.
But, if I set "local_from_check = no", even messages submitted via
authenticated SMTP do not get the Sender-Header inserted. (But the
checks are done, because the return-path and envelope from are set
according to the authenticated ID.)
I believe, this is a bug in the documentation, or at least it should be
clarified, that
local_from_check = no
suppresses the Sender:-insertion for network submitted messages too.
Maybe 46.16 should be reworked too.
--
Heiko
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