https://bugs.exim.org/show_bug.cgi?id=2726
Bug ID: 2726
Summary: $recipients cannot be parsed when the local part
contains ", "
Product: Exim
Version: 4.94
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: ACLs
Assignee: jgh146exb@???
Reporter: bugzilla.exim.simon@???
CC: exim-dev@???
It is valid for the local part to contain ", " (quoted) but this is the
separator used for $recipients. That makes it impossible to extract those
addresses from $recipients.
There is an example in the documentation for the forany{} expansion that is
unsafe in this scenario.
If all commas in the addresses were doubled then the variable could be used
with ${listextract}.
This may be a problem for backwards compatibility but addresses with commas in
will already cause problems if parsed as a comma-separated list. Only
${extract{<number>}{<separators>}...} can handle ", " as a separator.
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