On 12/02/2019 21:41, Andreas Jobs via dovecot wrote: > On Tue, Feb 12, 2019 at 08:12:43AM +0100, John Fawcett via dovecot wrote: >> On 11/02/2019 22:43, Andreas Jobs via dovecot wrote: >> In practice if you convert the username part to lower case in the MTA >> then you will accept mail with mixed case but only have to deal with >> lowercase in Dovecot. > > Yes, but the vacation action (also) compares :addresses against the > header to|cc|sender... And changing the headers is a bad idea. > > Maybe my subject line was a bad choice :-) > > > --Andreas > You're right, ignore my suggestion. Only the domain is treated case insensitive and localpart is compared case sensitive.
The change in itself looks trivial, but it would affect more than vacation (smtp_address_equals is used in a few places in dovecot and pigeonhole) John