Fix Spamhaus Blocklisting on WHM
Budget: ₹600 – ₹1,500 INR
My cPanel/WHM mail server for dcit123.in keeps landing on the Spamhaus blocklist and mail flow stops every time it happens. The stack is straightforward—IBM hardware → VMware ESXi → AlmaLinux VM running WHM/cPanel—all hosted in our own data-center. I have already opened tickets with Spamhaus, but the listing returns as soon as they clear it, so the root cause clearly sits on our side.
static IP we bought from Airtel
What I need from you is a thorough audit of the server and its surrounding network to identify exactly why Spamhaus keeps flagging us and then to implement a lasting fix. That may include reviewing rDNS, SPF, DKIM, DMARC, HELO practices, outbound filtering, queue hygiene, firewall rules, and any reputation or relay issues you discover. If you spot configuration weaknesses in WHM or cPanel, please harden them and document what you change.
Deliverables
• Written report summarising the findings and root cause
• All configuration changes applied (with before/after details)
• Confirmation that dcit123.in and its sending IP pass Spamhaus re-check without warnings
• Simple post-resolution checklist I can follow to prevent a relapse
I am happy to grant full root and WHM access inside a maintenance window you suggest, and I can provide Spamhaus ticket references if they help. Once you are done, the server must be clear of blocklists and able to send mail reliably.
static IP we bought from Airtel
What I need from you is a thorough audit of the server and its surrounding network to identify exactly why Spamhaus keeps flagging us and then to implement a lasting fix. That may include reviewing rDNS, SPF, DKIM, DMARC, HELO practices, outbound filtering, queue hygiene, firewall rules, and any reputation or relay issues you discover. If you spot configuration weaknesses in WHM or cPanel, please harden them and document what you change.
Deliverables
• Written report summarising the findings and root cause
• All configuration changes applied (with before/after details)
• Confirmation that dcit123.in and its sending IP pass Spamhaus re-check without warnings
• Simple post-resolution checklist I can follow to prevent a relapse
I am happy to grant full root and WHM access inside a maintenance window you suggest, and I can provide Spamhaus ticket references if they help. Once you are done, the server must be clear of blocklists and able to send mail reliably.