Bugs item #1112349, was opened at 2005-01-29 17:57 Message generated for change (Tracker Item Submitted) made by Item Submitter You can respond by visiting: https://sourceforge.net/tracker/?func=detail&atid=100103&aid=1112349...

Category: mail delivery Group: 2.1 (stable) Status: Open Resolution: None Priority: 5 Submitted By: Mark Sapiro (msapiro) Assigned to: Nobody/Anonymous (nobody) Summary: Upper-case chars in acceptable_aliases pattern fail to match

Initial Comment: The HasExplicitDest() method in MailList.py first lower-cases all the To: and Cc: addresses. Then if the list address doesn't match any of these explicit addresses and there are acceptable_aliases, it goes on to attempt to match the lower-cased explicit addresses against the acceptable_aliases patterns using re.match() without an IGNORECASE flag.

Thus, for example if acceptable_aliases is MyAddress@example.com and the message is To: MyAddress@example.com, the match will fail because the To: will be lower-cased and the match will be effectively re.match('MyAddress@example.com', 'myaddress@example.com')

Clearly, this behavior is wrong, but it is not clear to me what the correct behavior is. We could just add an IGNORECASE flag to the re.match() in the domatch() helper. This would be consistent with matching against the lower-case list name, but according to RFC 2822, the local part of the address is locally interpreted so MyAddress@example.com may in fact not be the same as myaddress@example.com. Thus, it may be that the correct behavior is to build the recips[] list with case-preserved addresses so that the case-sensitive match works.

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