Email Source: AuthSMTP

Homepage: https://www.authsmtp.com/

DMARC Capabilities

Capable of generating DMARC compliant email for others

Yes

AuthSMTP supports full DMARC compliance.

Capable of signing email with DKIM for others

Yes

Contact AuthSMTP support for DKIM configuration. For more information visit: https://www.authsmtp.com/faqs/faq-81.html

Capable of sending SPF compliant email for others

Yes

Add 'include:authsmtp.com' to your SPF record, but be mindful that pulls in two additional includes. Contact AuthSMTP to understand if there's a shorter list of authorized servers (with less includes to count towards your DNS lookup limit). For more information visit: https://www.authsmtp.com/faqs/what-is-spf-record-sender-policy-framework.html