[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

___________________________________
Michael Slusarz [slusarz at horde.org]



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