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Troubleshooting
Product ConnectXf
Version 3.10
Applies to Administrators
Level Advanced




Mails are getting bounced back

If your email is getting bounced back, you should have complete error details that are given in the bounced e-mail.

Symptom

67.15.238.68 does not like recipient. Remote host said: 550 5.7.1 <ilfsecosmart.com>: Helo command rejected: You are not me Giving up on 67.15.238.68.

Cause

The error comes if the reverse dns of the outgoing IP does not match with the Helo greeting sent with every smtp session.

Solution

Edit the following file

   vi /var/qmail/control/helohost

Put the URL set for the reverse dns entry of the outgoing ip Restart the qmail queue service

/mithi/mcs/bin/qmail-queue.restart.sh