Re: [exim] Incoming duplicates

Jeremy Harris wrote:
>
> Does this imply that Exim+SA isn't doing a proper handshake around
> the SMTP-dot-after-DATA? Or that MSN isn't?
> Why does Exim think it has accepted the message, when MSN does not?

It's pretty much a design flaw in the SMTP protocol. At least it errs on
the side of duplication rather than message loss.

- Marc