DNS · AUTH · REPUTATION
Free deliverability diagnosis
Check MX, SPF, DKIM, DMARC, PTR, and common DNS blacklists — no account required.
Want inbox placement you control?
Private Mail Server: dedicated Stalwart instance, dedicated IP, customer PTR, white-label webmail. From £149/mo + £399 setup.
Ask about Private Mail ServerNeed us to fix it?
Deliverability rescue: SPF/DKIM/DMARC repair, blacklist cleanup path, written report — £299 fixed.
Request rescue (£299)