5 Feb
2018
5 Feb
'18
5:55 p.m.
On 02/05/2018 12:22 AM, Stephen J. Turnbull wrote:
According to RFC, Message-ID is an originator field, and MUST be present and MUST be unique.
Do you have a reference for this? I thought this was correct, but I recently looked it up in RFC 5322 and predecessors (see https://lists.mailman3.org/archives/list/mailman-users@mailman3.org/thread/U..., and those RFCs at least say it's optional and SHOULD be present.
-- Mark Sapiro mark@msapiro.net The highway is for gamblers, San Francisco Bay Area, California better use your sense - B. Dylan