Tuning some defaults for 2.5: lmtp_downcase_rcpt
Jeroen van Meeuwen (Kolab Systems)
vanmeeuwen at kolabsys.com
Fri Feb 11 08:11:45 EST 2011
(This is a re-posted message from our development mailing list.)
In our IRC channel, it was suggested to look at RFC 2821, section 2.4, quoted
"However, exploiting the case sensitivity of mailbox local-parts impedes
interoperability and is discouraged."
The problem statement is as follows: The recipient is USER at DOMAIN.DE, and
while the mailbox name is "user at domain.de", or even "user", the mail bounced.
Not completely aware of the full implications and/or codebase, I wanted to put
the topic on switching the default to be relaxed in the case of case
sensitivity out there for discussion.
Long story short; the proposal is to ship with a default lmtp_downcase_rcpt of
Jeroen van Meeuwen
Senior Engineer, Kolab Systems AG
e: vanmeeuwen at kolabsys.com
t: +316 42 801 403
pgp: 9342 BF08
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