[horde] IMP 6.1.5 Can't send a message via smtp (issue with HEHLO error 502)
Michael M Slusarz
slusarz at horde.org
Wed Nov 20 06:53:48 UTC 2013
Quoting Andreas Schulze <sca at andreasschulze.de>:
> Zitat von Michael M Slusarz <slusarz at horde.org>:
>
>> SMTP servers have REQUIRED EHLO support since RFC 2821 -- issued April 2001.
>
> It's not a server failure. It's a cicso security device 'protecting'
> the server.
>
> 'Protection' is done by masking the initial 220 line. Nearly
> anything is replaced by '*'
> An SMTP Client can't find the string 'ESMTP' and has to fall back to RFC821.
> For Cisco that is 'secure' ...
So "secure" is "falling back to an older, deprecated standard"?
<sarcasm>That makes sense.</sarcasm>
michael
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Michael Slusarz [slusarz at horde.org]
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