In article <20190111182954.gd47...@symphytum.spacehopper.org> you write: >On 2019/01/11 10:07, Michael Peddemors wrote: >> For the record, we aren't speaking about 'Friendly Names', but the userpart >> of the addr-spec address >> >> But a pointer to an RFC where it is permitted, that I don't find.. > >RFC5322 and predecessors.
These look like the bounce address in the MAIL FROM, so it's a reverse-path as defined in RFC 5321 section 4.1.2 which is the same as RFC 2821 section 4.1.2 other than formatting. If you follow through the BNF, the * is in the local-part of the mailbox, which is an Atom which consists of a string of atext, which is indeed imported from RFC 5322 which says in section 3.2.3 that "*" can appear in an atext. On the other hand, it also says that the maximum length of a local-part is 64 characters. Depending on the username and domain Mike's seeing, the local-part may well be longer than that. I have seen actual mail systems that choke on overlong local-parts, although there's little reason for them to do so. -- Regards, John Levine, jo...@iecc.com, Primary Perpetrator of "The Internet for Dummies", Please consider the environment before reading this e-mail. https://jl.ly _______________________________________________ mailop mailing list mailop@mailop.org https://chilli.nosignal.org/cgi-bin/mailman/listinfo/mailop
