Re: [exim] MessageLabs 554 SMTP synchronisation error

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Auteur: Suresh Ramasubramanian
Date:  
À: Jakob Hirsch, 'Exim-users'
CC: 
Sujet: Re: [exim] MessageLabs 554 SMTP synchronisation error
At 12:15 AM 7/12/2005, Jakob Hirsch wrote:
> > 3) When they do a telnet to us on port 25 they complain about a 'long'
> > delay and then the 554 message.
>
>Most probably they block your ident lookup and send no reject packet
>(tcp RST or icmp port-unreachable). So it's not your fault, but you
>could surely lower your timeout (rfc1413_query_timeout) from the 30s
>default (I have 2s).


0s would be far better for ident.

Also check for any smtp inspection firewalls between you and
messagelabs (pix? raptor?)

regards
--srs


-- 
linux@??? (Suresh Ramasubramanian)
jaharkes@ravel:/usr/src$ mv linux Gnu/Linux
mv: cannot move `linux' to `Gnu/Linux': No such file or directory
         jaharkes @ cs.cmu.edu in reply to RMS on linux.kernel