Re: [exim] Need to bypass "host lookup deferred for reverse …

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Auteur: Marc Sherman
Datum:  
Aan: exim-users
Onderwerp: Re: [exim] Need to bypass "host lookup deferred for reverse lookup check" and accept email from specific server
Herb Martin wrote:
>
> My Exim is rejecting email from my fax services efax.j2.com:
>
> 2006-03-22 17:28:43 H=(efax.j2.com) [216.43.6.98] listed invalid HELO.
> 2006-03-22 17:28:43 H=(efax.j2.com) [216.43.6.98] temporarily rejected MAIL
> <message@???>: host lookup deferred for reverse lookup check
>
> Efax.j2.com had been able to send me email in the past
> (although I had placed exceptions for them in
>
>  helo_lookup_domains   = !efax.j2.com : etc : * 
>  helo_try_verify_hosts = !efax.j2.com : etc : * 
>  host_lookup =           !efax.j2.com : etc : *

>
> This server is NOT (currently) reversible in DNS,
> AND the server A record for that name resolves to
> a different IP address.


Put the IP in host_lookup with a ! -- the name is useless there, as it
resolves to a different IP.

- Marc