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Re: mails from servers with no PTR
From: mouss (mlist.only
free.fr)
Date: Fri Jul 20 2007 - 06:09:33 CDT
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Frederic wrote:
> Ralf Hildebrandt wrote:
>
>> * Frederic <fredfred21.be>:
>>
>>> Hello,
>>>
>>> I'm using postfix 2.3 on Opensuse 10.2.
>>>
>>> I receive many spams from servers without PTR
>>>
>>> eg: 91.86.82.82
>>>
>>> I added in main.cf smtpd_helo_restrictions = reject_unknown_helo_hostname
>>>
>> 91.86.82.82 is a CLIENT IP, not a HELO/EHLO
>>
>>
> How to reject mails from servers without PTR?
>
http://www.postfix.org/postconf.5.html#reject_unknown_reverse_client_hostname
Warning. This may delay legitimate mail (dns timeout issues), and may
block mail from misconfigured sites.
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