When you send an email, there are oodles of things that get checked to score your email. If you score badly, your email may get blocked or land in the spam/junk folder.
You can test it using mail-tester www.mail-tester.com/
They give you a random, temporary address. Send an email there and then check the score.
You can test it using mail-tester www.mail-tester.com/
They give you a random, temporary address. Send an email there and then check the score.