Le 16/03/2012 18:22, Jack a écrit :
> Hello All,
> 
>  
> 
> I'm having a problem where I am rejecting messages from one of our servers,
> but I'm not clear as to why.
> 
>  
> 
> We are using:
> 
> check_helo_access hash:/etc/postfix/helo_access
> 
>  
> 
> We have in helo_access the following:
> 
>  
> 
> ourdomain.com        REJECT Helo Check helo_access
> 
> ourdomain.net         REJECT Helo Check helo_access
> 
> x.x.x.x                     REJECT Helo Check helo_access
> 
> localhost                       REJECT Helo Check helo_access
> 
>  
> 
> I thought this would reject messages from someone saying they are our IP,
> saying they are localhost, or saying they are ourdomain.com and
> ourdomain.net, however it looks like we are rejecting the messages coming
> from server.ourdomain.net
> 
>  
> 
> Exact error:
> 
> 554 5.7.1 < server7.ourdomain.net >: Helo command rejected: Helo Check
> helo_access;
> 
>  
> 
> Do I need to specify the subdomain otherwise it will consider this to be
> *.ourdomain.net?
> 

# postconf -e parent_domain_matches_subdomains=


http://www.postfix.org/postconf.5.html#parent_domain_matches_subdomains


> Is this rule not beneficiary ? 

from a purist viewpoint, helo should be ignored. helo checks are useful
to block stupid ratware. but then, it is more efficient to block the
offending IPs.

from a nother viewpoint, wel, do whatever you think is good for you...

> I know SPF can handle this as well and we do
> use it.

No comments. spf debates are forbidden on this list (please don't ask
why. google is your friend).

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