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Email Source: Educational Service Unit 6


Known to forward email? no

DMARC Capabilities

Capable of generating DMARC compliant email for others? yes

Capable of signing email with DKIM for others? no

Capable of sending SPF compliant email for others? yes

Notes on Capabilities

DMARC: Our data indicates ESU6 supports DMARC compliance via SPF.

DKIM: Contact ESU6 to ask about their DKIM capabilities.

SPF: Our data indicates data comes from '' and '', which translates to an addition of 'ip4: ip4:' to your SPF record. In any case, be sure to contact ESU6 to verify this information and obtain a better authorization if available.


When deploying DMARC, domain owners often find new sources of email.

Domain owners then wonder if the source is capable of sending DMARC compliant email.

This directory contains information on the capabilities of various sources of email.