[stunnel-users] Does stunnel support startTLS?

Michal Trojnara Michal.Trojnara at mirt.net
Thu Apr 28 16:07:46 CEST 2011


Markus Borst wrote:
> Could you provide a configuration 
> example? For example, if I have configured my local imap server to 
> listen on port 8143 (instead of 143), would this be a valid stunnel 
> configuration?
> 
> [imap]
> accept  = 143
> connect = 8143
> protocol = imap

That's correct.  It's pretty trivial, isn't it?

> Can I enforce starttls? i.e. if the client tries to authenticate to imap

> without first issuing starttls, it should be denied and/or the 
> connection should be terminated.

What you just described is the only action supported by stunnel.  8-)

Mike



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