Re: [exim] Mail servers blocking DSN's

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Author: Stuart Gall
Date:  
To: Peter Bowyer
CC: Exim, Users
Subject: Re: [exim] Mail servers blocking DSN's

On 17 Oct 2006, at 23:57, Peter Bowyer wrote:

>>
>> I did come into such a problem. The resolution is quite simple, just
>> contact the owner of these domains (IE: cc the postmaster of these
>> domain when you send the evidence of their non compliance to
>> rfc-ignorant.org) and ask them to correct their mail servers.
>> For an example of a warning mail, you can look at
>> http://www.rfc-ignorant.org/tools/detail.php?
>> domain=asicorp.com&submitted=1161039519&table=dsn
>> (yes, I do submit them automatically and there are many per day)
>
> A side benefit of dsn.rfc-ignorant.org is that you can use that DNSBL
> as a 'whitelist' to skip around your callouts, since you won't get any
> useful information from calling out to domains that are listed there.


I was trying to think of a way to use the RBL but since exim will
cache the negative response (callout_domain_negative_expire) is it
really worth it ?

Stuart.