[Exim] Callback

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Author: Riccardo Baldanzi
Date:  
To: exim-users
Subject: [Exim] Callback
Hi all,

i've set in my exim.conf host callback:

sender_verify_hosts_callback = *
sender_verify_callback_domains = *

I've noted that exim try to verify incoming mail back to the same host
where have received it...

exim_mainlog:
2002-04-22 09:27:42 16zYEf-0004Fj-00 <= user1@???
H=(mail5.cs.interbusiness.it)

exim_rejectlog:

2002-05-20 17:54:22 179pUM-0000jc-00 rejected from
(mail5.cs.interbusiness.it) [151.99.250.40]: temporarily unable to verify
sender address <user1@???> (try later)

see DNS mx query:

> qnt.it

Server: ases01.ases.it
Address: 192.168.200.1

Non-authoritative answer:
mydomain.it MX preference = 10, mail exchanger = mail.mydomain.it

mydomain.it  nameserver = dns2.nic.it
mydomain.it  nameserver = dns.mydomain.it
mail.mydomain.it        internet address = x.x.x.x
dns2.nic.it     internet address = 193.205.245.8

>


Why exim is calling back the sending host? It should callback host in DNS
MX query....

I can use one mail server for incoming mail and another one for outcoming mail.

Riccardo