Re: [Exim] failed to find host name from IP address

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Lähettäjä: Suresh Ramasubramanian
Päiväys:  
Vastaanottaja: Hochstrasser Benedikt
Kopio: exim-users
Aihe: Re: [Exim] failed to find host name from IP address
Hochstrasser Benedikt wrote:
> Today I see in my logs an increased number of rejections because of
> "failed to find host name from IP address". While this is perfectly fine
> when dealing with spammers I have the uneasy feeling that exim sends a
> reject upon every kind of DNS failure. (some of the DNSes I tried
> managed to resolve the IP in question while others didn't).
>
> Or can someone confirm that eg. upon DNS time-outs exim sends a 451 (?)
> temporary error message instead of a 550?


exim wont do this unless you configure it to