Alan Munday: > As of the 22 Feb 2024 I have been seeing invalid MAIL FROM address from > Microsoft: > > In: MAIL FROM: <dmarcrep...@microsoft.com> XATTRDIRECT=Originating > XATTRORGID=xorgid:96f9e21d-a1c4-44a3-99e4-37191ac61848
Wietse: > When I send the above as one line into Postfix, the response is: > > 555 5.5.4 Unsupported option: XATTRDIRECT=Originating There is no need for Postfix workarounds, they have rolled out a fix. https://techcommunity.microsoft.com/t5/exchange/microsoft-dmarc-aggregate-report-smtp-issues/m-p/4072531 Wietse > /etc/postfix/main.cf: > smtpd_command_filter = pcre:/etc/postfix/command_filter > > /etc/postfix/command_filter: > # Work around clients that send XATTRDIRECT or XATTRORGID > # when Postfix announces no such support in the EHLO response. > /^(MAIL FROM:\s*<.*>.*)\s+XATTRDIRECT=\S+\s+XATTRORGID=\S+(.*)/ $1$2 > > This pattern seems to work with light testing. Do not omit the (.*) > at the end of the pattern, or the $2 in the result. These are for > supported options that they might send after XATTRORGID. > > Wietse _______________________________________________ Postfix-users mailing list -- postfix-users@postfix.org To unsubscribe send an email to postfix-users-le...@postfix.org