swaks and TLS

A good command for testing if your TLS setup works in exim4 is:

swaks -s insert.host.name.here -tls -q ehlo

It goes something like this.

~$ swaks -s insert.host.name.here -tls -q ehlo
=== Trying insert.host.name.here:25...
=== Connected to insert.host.name.here.
<- 220 insert.host.name.here ESMTP Exim 4.50 Sun, 21 Jan 2007 20:29:30 +0000
-> EHLO debian
<- 250-insert.host.name.here Hello somewhere.com [81.107.112.224]
<- 250-SIZE 52428800
<- 250-PIPELINING
<- 250-AUTH PLAIN_TEXT LOGIN
<- 250-STARTTLS
<- 250 HELP
-> STARTTLS
<- 220 TLS go ahead
=== TLS started w/ cipher DHE-RSA-AES256-SHA
~> EHLO debian
<~ 250-insert.host.name.here Hello cpc2-cable.ntl.com [8.0.1.4]
<~ 250-SIZE 52428800
<~ 250-PIPELINING
<~ 250-AUTH PLAIN_TEXT LOGIN
<~ 250 HELP
~> QUIT
<~ 221 insert.host.name.here closing connection