https://bugs.exim.org/show_bug.cgi?id=2910
Bug ID: 2910
Summary: recipient callout ignoring errors_to
Product: Exim
Version: 4.96
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: ACLs
Assignee: jgh146exb@???
Reporter: thomasm-exim@???
CC: exim-dev@???
I've implemented SRS rewriting using a redirect router setting errors_to .
If I do recipient verification with callout using the original sender,
the sender does not get rewritten.
According to debug information, errors_to is set correctly.
This might cause the verfication to fail due to SPF based rejection,
even if a mail to that destination would work with SRS rewriting.
It's even worse in the case of cutthrough delivery, when the verfication SMTP
connection will be held open (if the sender isn't immediately rejected) and
then used for sending the mail, which will bypass SRS rewriting completely.
This could be easily fixed by setting the from_address in src/verify.c (~ line
509):
if (options & vopt_is_recipient)
if (options & vopt_callout_recipsender)
{
from_address = addr->prop.errors_address ? addr->prop.errors_address :
sender_address;
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