Author: Marc Sherman Date: To: exim-users Subject: Re: [exim] verify = helo, PTR record lookup
Marc Sherman wrote: > Thomas Jacob wrote:
>> "matches the host name that Exim obtains by doing a reverse lookup of
>> the calling host address"
>>
>> so basically "a reverse lookup" has to be read as
>> "reverse lookup/lookup-again using Exim's host_lookup technique"? Hmm.
>
> Yes. That's the meaning of "reverse lookup" everywhere it appears in the
> exim docs. I'm not sure if that's explicitly spelled out anywhere -- if
> not, perhaps it should be. Phillip?
FYI, the requirement that the PTR and A records must match is in RFC
1912, section 2.1, paragraph 2.
