On Mon, Apr 06, 2020 at 08:41:20AM -0400, Michael Orlitzky wrote: > There's no need, the SMTP specification says that senders must retry > every message, and should continue retrying for at least 4 or 5 days: > > https://tools.ietf.org/html/rfc5321#section-4.5.4
That's a relief, cheers. Excuse the skeptic within me, but is it safe to assume this specification is strictly followed by all mail-transfer agents ? I.e., are there any common M.T.A.s which do not continue trying to send for a few days ? After my thankfully-brief experience with the likes of Microsoft and their Exchange program, I always question how much impact the content of an R.F.C. actually has on an implementation. -- Ashley Dixon suugaku.co.uk 2A9A 4117 DA96 D18A 8A7B B0D2 A30E BF25 F290 A8AA
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