These days Microsoft Exchange uses SMTP Dave
> -----Original Message----- > From: cctalk <cctalk-boun...@classiccmp.org> On Behalf Of Grant Taylor via > cctalk > Sent: 05 July 2019 22:06 > To: cctalk <cctalk@classiccmp.org> > Subject: Email delivery protocols / methods. > > Here's pot stirrer for a holiday Friday afternoon: > > How many different protocols / methods can we collectively come up with > for how email can be transferred? > > I'm primarily thinking about between servers (MTA-to-MTA). But I'm also > willing to accept servers and clients (MTA-to-MUA). Where you can / could > run at least one server yourself. > > · SMTP(S) > · UUCP (rmail) > · MMDF > · X.400 > · Microsoft Exchange proprietary protocol > · Novell GroupWise proprietary protocol > · Lotus (IBM) Domino proprietary protocol > · FidoNet (FTN) > · BITNET > · Direct file access - group Post Office > · Direct file access - mail spool > > > > -- > Grant. . . . > unix || die
