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  • src/sbbs3/mailsrvr.c mailsrvr.h mime.c mime.h

    From deuce@VERT to CVS commit on Sat Mar 3 23:11:56 2018
    src/sbbs3 mailsrvr.c 1.621 1.622 mailsrvr.h 1.80 1.81 mime.c 1.9 1.10 mime.h 1.4 1.5
    Update of /cvsroot/sbbs/src/sbbs3
    In directory cvs:/tmp/cvs-serv5393

    Modified Files:
    mailsrvr.c mailsrvr.h mime.c mime.h
    Log Message:
    Mail server support for Opportunistic TLS.

    Support STARTTLS in SMTP and STLS in POP3. This includes the sendmail
    thread. Clients can now be configured to use STARTTLS with Synchronet
    mail services, and Synchronet will attempt to deliver securely when
    possible (though it will fall back to plain text delivery when necessary.)

    This touches a *lot* of mail server stuff, so some instability is not
    unlikely.

    Of course, RFC8314 (Jan, 2018) officially recommends implicit TLS on the TLS ports now, so support for that should be next.



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