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From: Pavel Urban (no email)
Date: Sun Jan 01 2006 - 10:35:20 EST
Pavel Urban wrote:
> Wietse Venema wrote:
>
>> Pavel Urban:
>>
>>> Hello,
>>>
>>> is it possible to allow etrn for all domains that our server serves
>>> as backup mx? Ie something like permit_mx_backup for
>>> smtpd_etrn_restrictions... I've tried to search in archives and found
>>> only my own, pretty old question.
>>
>>
>>
>> permit_mx_backup
>> Permit the request when the local mail system is
>> backup MX for
>> the RCPT TO address, or when the address is an
>> authorized desti-
>> nation (see permit_auth_destination for definition).
>>
>> It requires a recipient address.
>>
>> For ETRN access, why not specify the network blocks that cover
>> your customers?
>>
>> Wietse
>
>
> I wrote 'something like' ;-) ETRN also requires recipient address, so I
> thought it could work the same way.
>
> Right now I have only 'permit' in smtpd_etrn_restrictions; of course I
> can replace it with restriction that allows only our customers in. But
> it doesn't work unrestricted, so why to restrict it further? Or am I
> getting something wrong?
>
> For the example I gave below - both domains have our server as backup MX
> in DNS. The second one is also in relay_domains.
>
>>
>>
>>> Right now, I have
>>>
>>> smtpd_etrn_restrictions = permit
>>>
>>> , but etrn works only for domains listed in relay_domains.
>>>
>>> [root at mta-test ~]# telnet relay.iol.cz 25
>>> Trying 194.228.41.114...
>>> Connected to relay.iol.cz (194.228.41.114).
>>> Escape character is '^]'.
>>> 220 Internet On Line ESMTP server
>>> ehlo pupu
>>> 250-relay.iol.cz
>>> 250-PIPELINING
>>> 250-SIZE 13721600
>>> 250-ETRN
>>> 250 8BITMIME
>>> etrn papcel.cz
>>> 459 <papcel.cz>: service unavailable
>>> quit
>>> 221 Bye
>>> Connection closed by foreign host.
>>> [root at mta-test ~]# telnet relay.iol.cz 25
>>> Trying 194.228.41.114...
>>> Connected to relay.iol.cz (194.228.41.114).
>>> Escape character is '^]'.
>>> 220 Internet On Line ESMTP server
>>> etrn ardo.cz
>>> 250 Queuing started
>>> quit
>>> 221 Bye
>>>
>>> Postfix 2.1.5 on RedHat Linux.
>>>
>>> Thanks!
>>>
OK, just one more question please - should I take it as this is normal
behaviour and I coudn't achieve what I need?
Thanks!
--
***********************************************************************
Pavel Urban ()
IOL system disaster
Internet OnLine, owned by Cesky Telecom, a.s. (www.ct.cz)
***********************************************************************
Vegetables should not operate electronic equipment.
Computer Stupidities, http://rinkworks.com/stupid/
***********************************************************************
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