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http://bugs.exim.org/show_bug.cgi?id=1300 Summary: Sending mails from wrong outgoing IP/sender Product: Exim Version: 4.77 Platform: Other OS/Version: Linux Status: NEW Severity: bug Priority: high Component: Delivery in general AssignedTo: [email protected] ReportedBy: [email protected] CC: [email protected] Hi I am experiencing a strange issue with exim running on a CentOS 5 cPanel server. When sending mails from domain1.com to domain2.com(with remote MX), and when both domains are setup to use custom mailhelo and outgoing ips using cPanel's /etc/mailhelo and /etc/mailips files, the mail gets sent out from domain2.com's IP instead of domain1.com's. I suspected it as a bug with cPanel's exim configuration and contacted them. But their findings point toward a problem with the way exim handles the email. Quoting their update: --------------------- This is a known issue, but not really a bug. We had another ticket recently where the customer was sending mail from [email protected] to [email protected] and domain2.com's MX pointed to Google apps. The mail was being send out domain2.com's dedicated IP (listed in /etc/mailips) instead of domain1.com's dedicated IP. The reason that happens has to do with Exim and is not a cPanel bug. The message is 'handed off' to a domain that is local on the server, then the routing lookup is done which comes back with the remote MX and that mail should go to it, then the message is then handed off with the rcpt domain being the 'sender'. The headers don't show a sender change of course, but as far as Exim is concerned, domain2.com is now the sender of the message. The issue would be similar here in that the rcpt domain is the new 'sending' domain as far as Exim is concerned. Unfortunately fixing this issue would require changes in Exim itself in how it handles mail forwarding internally. --------------------- I am not sure if this is related to this bug at http://bugs.exim.org/show_bug.cgi?id=1141 . The effect is the same that the emails fail to pass SPF tests. Please advise. -- Configure bugmail: http://bugs.exim.org/userprefs.cgi?tab=email -- ## List details at https://lists.exim.org/mailman/listinfo/exim-dev Exim details at http://www.exim.org/ ##
