mail is not delivered to rediffmail server
Problem reported by mehulkumar kiri - December 23, 2014 at 9:18 AM
Not A Problem
dear Friend,
When we are tried to send mail to any domain mails are not delivered, It shown hte following error.
Reason: Remote host said: 553 sorry, invalid HELO hostname (#5.7.1)
Please look in to the matter.
we can send gmail yahoo or any other domain user but only rediffmail it not work.

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Employee Replied
Employee Post
Hello Mehulkuma,
Thank you for the inquiry. I would take a look at the General Settings for the Server Info to see what you have in the Hostname field. I presume the issue is the Hostname is not using a fully qualified domain name and the error is presented.
Log into SmarterMail as the System Administrator. Click on Settings | General Settings | Server Info | Hostname.
Please ensure you have the full address, such as [] in the hostname field.  This should resolve the issue with you sending to various web addresses.
Please let us know if you need further assistance.
Thank You.

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