The protocol directive determines what Stunnel does during the connection setup. "protocol = smtp" tells Stunnel to use STARTTLS semantics for the connection to the server, as described in RFC2487 (similarly to how "protocol = imap" tells it to use STARTTLS for IMAP, per RFC 2595).
-----Original Message----- From: Ben Stover [mailto:[email protected]] Sent: Wednesday, October 16, 2013 11:08 AM To: Stunnel Users Cc: Bucci, David G Subject: RE: EXTERNAL: How to setup stunnel für SMTP over STARTTL S (and not pure SSL)? Sorry, I went to the webpage with the link you mentioned. There I searched for STARTTLS but NO (!) occurence was found. What does protocol (here = smtp) to do with the security handshare type (here = STARTTLS). On Wed, 16 Oct 2013 13:10:29 +0000, Bucci, David G wrote: >Oh, meant to add - look at the "protocol" option, documented here: >http://www.stunnel.org/static/stunnel.html >-----Original Message----- >From: Bucci, David G >Sent: Wednesday, October 16, 2013 8:54 AM >To: 'Ben Stover'; Stunnel Users >Subject: RE: EXTERNAL: How to setup stunnel für SMTP over STARTTLS (and not >pure SSL)? >https://www.stunnel.org/pipermail/stunnel-users/2011-April/003060.html >Yes, it's supported. (you'll get a cert error on that connect, ironically) >-----Original Message----- >From: stunnel-users [mailto:[email protected]] On Behalf Of >Ben Stover >Sent: Wednesday, October 16, 2013 5:56 AM >To: Stunnel Users >Subject: EXTERNAL: How to setup stunnel für SMTP over STARTTLS (and not pure >SSL)? >Assume my mailbox provider offers only SMTP delivery over STARTTLS (and not >pure SSL). >How do I have configure stunnel to cope with this protocol? >Lets say the remote smtp server would be >smtp.foobar.com:587 >How would a service section in conf file look like? >Thank you >Ben >_______________________________________________ >stunnel-users mailing list >[email protected] >https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users _______________________________________________ stunnel-users mailing list [email protected] https://www.stunnel.org/cgi-bin/mailman/listinfo/stunnel-users
