Capable of generating DMARC compliant email for others? yes
Capable of signing email with DKIM for others? yes
Capable of sending SPF compliant email for others? yes
Notes on Capabilities
DMARC: See https://community.mimecast.com/docs/DOC-1453
DKIM: DMARC compliance via DKIM is possible for users of Mimecast Gateway for outbound email. See https://community.mimecast.com/docs/DOC-1400#jive_content_id_Configuring_an_Outbound_DNS_Authentication_Definition
SPF: DMARC compliance via SPF is possible for users of Mimecast Gateway for outbound email. See https://community.mimecast.com/docs/DOC-2010
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.