APSIS is capable of sending DMARC compliant email because they support custom SPF and DKIM configurations that achieve DMARC alignment. APSIS is an Email Marketing Platform and is often used by Marketing, Product or Application Development teams. Check out their DMARC blog article for greater context on the necessary changes: https://apsis.com/blog/dmarc-what-does-it-mean
We recommend opening a support ticket to get help with custom DKIM configurations as we couldn’t find any relevant ‘how to’ documentation on their site. The most recent support alias we found was at: https://apsis.com/contact-us
We recommend opening a support ticket to get help with custom SPF configurations as we couldn’t find any relevant ‘how to’ documentation on their site. The most recent support alias we found was at https://apsis.com/contact-us