Thank you Mark. I did comment out the line "require verify reverse_host_lookup" and move "!authenticated = *" just after "local_parts = postmaster:abuse" but still the result is same. Yes, my clients has been trying to use my mail server and they can send mail comfortably using a different ISP. None of them can send email with their own ISPs and the IP addresses of those ISPs does not have any PTR record or 'A' record in PTR. They both can send emails though - if I disable the option "Verify the existance of email senders" from WHM/cPanel. Some of their partners can not send email even though they are in the whitelist. I checked that the guys, who can not send email have some issues with PTR record. I think that the problem is with that WHM option since I tried with default exim config setup with the same result. Do you've any suggestion how to make these IPs in a trusted list even before the option (Verify the existance of email senders) start checking for rDNS?
----- Original Message ----- From: "Mark Smith" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, July 12, 2005 11:52 PM Subject: RE: [exim] how to stop exim from reverse lookup check for trustedIPs... > > > From: [EMAIL PROTECTED] > > [mailto:[EMAIL PROTECTED] On Behalf Of KHALID SHAWKAT > > Sent: 13 July 2005 04:54 > > To: [email protected] > > Subject: [exim] how to stop exim from reverse lookup check > > for trusted IPs... > > > > Hello Guys, > > > > > > My client has been getting the following message in OE, while sending > > email: > > > > --------------- > > The message could not be sent because one of the recipients > > was rejected by the server. The rejected e-mail address was > > '[EMAIL PROTECTED]'. Subject 'hi', Account: 'SALES', Server: > > 'mail.example.net', Protocol: SMTP, Server > > Response: '550 Administrative prohibition', Port: 25, > > Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79" > > --------------- > > > <snip> > > It's the "require verify = reverse_host_lookup" line that's doing it. > > Are these local users trying to send mail out from your server? You seem to > be running a lot of unnecessary checks on authenticated users. You should > move the "accept authenticated" stanzas so they come before any other > checks. > > - Mark > > > > -- ## List details at http://www.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://www.exim.org/eximwiki/
