On 1 Jan 2018, at 11:41 (-0500), Matus UHLAR - fantomas wrote:
the gross format in RFCs 822,2822 and 5322 describes message-id
consisting
of local and domain part, thus is must contain "@".
No, it does not. Re-read the cited sections. From RFC5322, the ABNF
definition:
msg-id = [CFWS] "<" id-left "@" id-right ">" [CFWS]
id-left = dot-atom-text / obs-id-left
id-right = dot-atom-text / no-fold-literal / obs-id-right
no-fold-literal = "[" *dtext "]"
Note the lack of specification of "local" and "domain" parts.
Also note that if you demand that MIDs contain '@' with conforming
strings on both sides, you risk losing mail that users want. This is a
mistake I have made.
--
Bill Cole
b...@scconsult.com or billc...@apache.org
(AKA @grumpybozo and many *@billmail.scconsult.com addresses)
Currently Seeking Steady Work: https://linkedin.com/in/billcole
