- If errors appear while importing contacts try to break the list in small parts;
- Send an email test to mail-tester.com to check it you the score;
- That report will point out many things to check;
- Check the sender email, sender name if is the right email and name;
- Remember to click at the button to generate the email text version;
- Create a segment to test and send a real email to that segment just because the Mautic test doesn’t send with dynamic fields. If it works just clone that email and change the segment.