https://bugs.exim.org/show_bug.cgi?id=2648
Bug ID: 2648
Summary: Use of $authres in a router headers_add causes
segmentation violation for local messages
Product: Exim
Version: 4.92
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: String expansion
Assignee: unallocated@???
Reporter: fenton@???
CC: exim-dev@???
Attempting to add an Authentication-results header field in a router by the
configuration line:
headers_add = ${authresults {$primary_hostname}}
results in a segmentation violation for messages that are locally originated
(submitted locally to this server). Apparently the $authresults string isn't
always populated depending on the source of the message.
This is arguably not the right way to add Authentication-results (even when
this works, the DKIM results aren't included) but the segmentation violation
shouldn't occur in any case.
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