When logged into SM 16.3.6488 with info@abcdomain.com and sending email from info@defdomain.com using an already configured SMTP account, I failed SPF Alignment tests, as seen below. Any ideas on this?

 

 

Information: Identifier Alignments
SPF Alignment Test (Used in DMARC ASPF Test)
Mail From/Return Path Domain:	abcdomain.com
From Domain:	defdomain.com
SPF Identifier Alignment:	Unaligned - Learn about SPF Identifier Alignments by clicking here: Identifier Alignments