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gnutls: where/what is starttls? (re: gmail from emacs gnus)
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jeffk
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Joined: 13 Sep 2003
Posts: 671

PostPosted: Sun Sep 07, 2008 7:22 pm    Post subject: gnutls: where/what is starttls? (re: gmail from emacs gnus) Reply with quote

I'm planning to start using GNUS to read gmail with emacs-cvs-23.x.

In regards to this:
Quote:
NOTE: You will need starttls, which is used to set up the SSL encrypted connection to the GMail server. This is contained in the “gnutls-bin” package on debian and ubuntu. If you don’t have this installed, you’ll get a (rather generic) “smtpmail-send-it: Sending failed; SMTP protocol error” error message.

What/where is starttls on Gentoo with net-libs/gnutls-2.4.1 ?

I have:
Code:
[ebuild   R   ] net-libs/gnutls-2.4.1  USE="nls zlib -bindist -doc -guile -lzo" 0 kB

But nothing installed looks like starttls:
Code:
# equery files gnutls
/usr
/usr/bin
/usr/bin/certtool
/usr/bin/gnutls-cli
/usr/bin/gnutls-cli-debug
/usr/bin/gnutls-serv
/usr/bin/libgnutls-config
/usr/bin/libgnutls-extra-config
/usr/bin/psktool
/usr/bin/srptool
(...)

I see at TIP: Gmail and sSMTP that UseSTARTTLS is a configuration parameter of ssmtp.conf. I presume that since ssmtp is not the only emailer that will work with GNUS, that there is something else that the term 'starttls' refers to.

Is STARTTLS a parameter of every capable emailer, not a command?

Thanks.
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aceFruchtsaft
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Joined: 16 May 2004
Posts: 438
Location: Vienna, Austria

PostPosted: Sun Sep 07, 2008 9:47 pm    Post subject: Reply with quote

It's a standardized method for establishing encrypted TLS (SSL 3) connections, which is not only used by MTAs but by many other network services as well. It's not a separate application.
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