Email Source: Rackspace Email Hosting (Emailsrvr)

Homepage: https://www.rackspace.com/email-hosting

This source is known to forward email

forwarding notes:

Rackspace hosts an incredible amount of infrastructure. Their support can help.

Capable of generating DMARC compliant email for others

Yes

Rackspace Email Hosting supports full DMARC compliance.

Capable of signing email with DKIM for others

Yes

Contact Rackspace (or your vendor using RS infrastructure) for DKIM setup.

Capable of sending SPF compliant email for others

Yes

Add 'include:emailsrvr.com' to your SPF. For more information, contact Rackspace (or your vendor using RS infrastructure).