Hi,
we have got an answer from google support:
---------------------------------------------------------------------------------------
Hello,

Thank you for your report. Please contact the recipient's webmail provider
and ask them to whitelist Gmail from callback verification.

Callback verification is a technique used by SMTP software that attempts
to open a new connection to any server that it doesn't recognize with a
blank message. Because these attempts to verify sending addresses can
happen very frequently, traffic may appear as a Denail of Service attack,
which will prompt Gmail servers to block these messages. Gmail does not
support sender verification, and suggests that other webmail providers
adopt SPF or DomainKeys instead.
---------------------------------------------------------------------------------------

What the heck do they mean by this? Xmail doesn't support callback 
verification, does it?


Matic


CLEMENT Francis pravi:
>> -----Message d'origine-----
>> De : [EMAIL PROTECTED]
>> [mailto:[EMAIL PROTECTED] la part de Ivo Smits
>> Envoy=E9 : jeudi 12 juillet 2007 14:11
>> =C0 : [email protected]
>> Objet : [xmail] Re: problem with gmail
>>
>>
>> Maybe glst is dropping the connection when google doesn't=20
>> expect it to be=20
>> dropped..
>> Can you try without glst?
>>
>>     
>
> I don't fing glst is the problem here as :
> 1 - glst is not 'runnable' until "MAIL FROM" and "RCPT TO" are received =
> (it
> needs a 'triplet' to do correct work)
> 2 - and in any cases, if glst returns a 'drop' code to xmail, then a =
> line
> will appears in the smtp logs with ERR=3DEFILTER
> But here Matic says 'no line in xmail logs at all' for this connection.
>
> Same case if ip in spammers.tab file, xmail logs the action in smtp =
> log.
>
> I think the problem is not xmail nor any filter after xmail.
>
> Francis
> -
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>
>   


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