I can figure out what's going on and get your mail flowing again, whether the issue is DNS or elsewhere.
Relevant Skills and Experience
I run a web hosting service and have extensive server/DNS/mail delivery troubleshooting experience.
Proposed Milestones
£27 GBP - Mail flowing properly.
Former owner of Email company of 9 years. I know DNS and email well
Relevant Skills and Experience
Email, DNS, MX/SPF/DKIM records
Proposed Milestones
£13 GBP - DNS Resolution