Discover the rich features in PowerMTA that help you adopt and adapt to changing email authentication standards including support for DKIM and SPF and setup for DMARC.  To use our automated testing tool, send a sample of a marketing email or newsletter to receive immediate summary results.   Senders can choose where the results should be sent:

A reply email will be sent back to you with an analysis of the message’s authentication status.  The report will perform the following checks: SPF, SenderID, DomainKeys, DKIM and Spamassassin.