Messages sent to remote server from a MailEnable server appear in the recipients junk mail or spam folder. This is happening for messages sent to domains such as Gmail, Outlook.com, Yahoo, etc.
There are various possibilities as to why messages can be considered as junk by remote servers and delivered to a users junk email folder. Unfortunately it is not always easy from a senders point of view as to why an email goes to the junk folder, and the sender is not aware this has happened. If possible it is worthwhile to firstly check the email headers of the message in the junk folder as there may be some hint there. Check if the "Authentication-Results" and "X-Spam-Status" email headers exist and if there is an indication of the cause in them. SPF and DKIM results are usually listed in the email headers.
Otherwise some of major reasons why emails are junked are:
For more information on setting up a PTR record please see:
The following MailEnable tool can perform a check on your domain to see if a valid PTR record exists:
Learn more about DKIM here:
|Product:||MailEnable (All Versions)|
|Class:||PRB: Product Problem or Issue|
|Revised:||Saturday, September 25, 2021|