The 3 Records you must know for good email delivery are:
- Reverse DNS (PTR)
- SPF (Sender Policy Framework)
- DKIM (DomainKeys Identified Mail)
These
are the 3 core records you must have correct for sending email. Of
course, you need an MX record if you want to receive email, but that’s
another topic.
https://www.rackaid.com/blog/email-dns-records/
SPF wizards
Tiebing, that link is no longer valid to microsofts spf wizard, you can replace it with, on or both of these below.
ReplyDeleteYou can replace it with (Sender ID Wizard): https://www.unlocktheinbox.com/senderid-wizard/
You can also replace it with this link (SPF Wizard): https://www.unlocktheinbox.com/spfwizard/