Email Verification Failed Issue

deepakrai89

• September 22, 2014 04:56

Hello, Some of the Users on my website are not receiving emails. Email trace on cPanel/ WHM shows different errors for different users: ----------------- SMTP error from remote mail server after MAIL FROM: SIZE=3203: host relay.recipientdomain.net [###.##.###.##]: 550 5.1.8 invalid/host-not-in-DNS return address not allowed ---------------- SMTP error from remote mail server after RCPT TO:: host email.recipientdomain.com [##.###.###.##]: 550-Verification failed for \n550-The mail server could not deliver mail to ---------------- After searching various posts i found that this may be because there should be a valid host name in email "FROM" (mys.mydomain.com) in my case. mydomain.com is a valid host name by mys.mydomain.com is not. My host name is mys.mydomain.com This is what i have done till now, but still no luck: 1. Added "A" record to mys.mydomain.com 2. Added reverse dns (PTR) to point back to the hostname PS: I have dedicated server for hosting Please help me with this issue. And let me know if you need more information. Thanks :)

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  server9host

  • September 22, 2014 11:48

  Hello, You are facing domain verification issue. Please check your DNS zone files properly set for your domain or no. Also check your email server IP is blacklisted or not, you check it via link [url=http://mxtoolbox.com/blacklists.aspx]Email Blacklist Check - See if your server is blacklisted . Enable the spf and DKIM record for your domain. Thanks

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  cPanelMichael

  • September 23, 2014 13:57

  Hello :) To clarify, users on remote mail servers are unable to send emails to accounts hosted on your server? If so, have you searched for email addresses that have been unable to send to your server in /var/log/exim_mainlog or /var/log/exim_rejectlog using the "exigrep" utility? EX: exigrep user@remote-server /var/log/exim_mainlog
  Thank you.

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