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Email Source: Sophos Email Security

Homepage: https://www.sophos.com/en-us/products/sophos-email.aspx

This source is known to forward email


DMARC Capabilities

Capable of generating DMARC compliant email for others
Yes

Our data indicates Sophos Email Security supports full DMARC compliance.

Capable of signing email with DKIM for others
Yes

Contact Sophos for DKIM setup.

Capable of sending SPF compliant email for others
Yes

The addition to your SPF suggested by Sophos is 'include:_spf.prod.hydra.sophos.com'. Please note however this pulls in additional includes, respectively taking up DNS lookup limits for your SPF. More on their SPF policy can be found here: https://support.sophos.com/support/s/article/KB-000038188?language=en_US