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SPF & DKIM

Dominic -

PROBLEM

I need to add SPF/ DKIM records for my domain on the atmail cloud.

ENVIRONMENT

  • atmail cloud

CAUSE

Requirement for SPF/ DKIM implementation.

RESOLUTION

SPF records are used to denote IP addresses or Hosts that a domain should/can be sent from.

The syntax for adding atmailcloud to your Domains DNS as a TXT record is as follows:

v=spf1 include:_spf.atmailcloud.com -all

The above SPF query will include the contents of the SPF as found in _spf.atmailcloud.com which atmail control and can update when server IPs change.

Please note that you have to option of defining a soft or hardfail:

~ = softfail: Mail shouldn't be sent from here, but still accept it
- = hardfail: Mail shouldn't be sent from here, drop it

In regards to the example SPF record advised, a hardfail is used which will tell receiving MTA's to drop the mail unless it is sent from the atmailcloud.

DKIM records and instructions for implementation can be attained by submitting a ticket or contacting us on support@atmail.com

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