[stunnel-users] stunnel and Calypso and GMX: Anyone out there where stunnel works with Calypso?

Jochen Bern Jochen.Bern at LINworks.de
Mon Dec 16 02:11:07 CET 2013


On 13.12.2013 14:57, Michael D. Setzer II wrote:
> On 13 Dec 2013 at 14:39, greeksalad wrote:
>> Thanks for 2 replies, which replied, that mail.gmx.net:465 is not a 
>> propper ssl server: well, i tried with another email client (Opera),
>> sending AUTH PLAIN and  AUTH LOGIN and both worked.
> 
> My stunnel.conf shows these lines with debug = 5
> 
> 2013.12.13 23:55:11 LOG5[7134:140038679107328]: Service [versmtp] 
> connected remote server from 192.168.128.201:48297
> 2013.12.13 23:55:18 LOG5[7134:140038679107328]: Connection closed: 5 
> byte(s) sent to SSL, 52 byte(s) sent to socket

FWIW, I connected to both IPs of "mail.gmx.net" with OpenSSL's s_client
command and found that they wouldn't reply to HELO/EHLOs (but instead
time out the connection after a while of not replying).

> 220 gmx.com (mrgmx101) Nemesis ESMTP Service ready
> HELO mydom.ain
[~100s later]
> 421 gmx.com Service closing transmission channel - command timeout
> closed

IMHO the (E)SMTP implementation of these servers is broken.

Regards,
								J. Bern
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