Re: [exim] "sender verify" problem

At 8:23 pm -0500 2004/12/07, Michael F. Sprague wrote:
>Henry Kupets <henry@???> wrote:
> > Hello,
>>
>> I am running Exim 4.41 on the RH Linux8. This box is located in our DMZ
>> and works as a "smart mailer" - relays email to our email server inside
>> the LAN from the Internet and vice versa.
>>

so that means that is has a working DNS set up.


> > All our users inside our LAN can send and receive messages with
>no problems.
>>
> > In addition to regular users I have two Sun Solaris servers inside my
>> LAN that need to send scheduled messages to the Internet. The thing is
>> that my "smart mailer" rejects email sent from Sun boxes unless I
>> comment out the line:
>>
>> require verify = sender
>>
>> in the section "acl_check_rcpt".
>>
>> If there is a way to keep this entry (require verify = sender)
>> uncommented and to skip sender verification for specific hosts or IP
>> addresses ???
>
>Howdy,
>
>You have a couple of options actually. The reason it's failing is probably
>because the Sun servers and/or the domain they are in cannot be verified via
>DNS. So if you can correct that they'll pass that test.
>
>Your other option is to create an exception. You could create a hosts list
[...]

I would say don't take this option. If the sender for those emails
fails DNS lookup for your smart mailer than it will fail also when
received by some other server on the internet. So, fix the sender
domain.

Giuliano