How to monitor blocklist status and remove listings?

Blocklist monitoring prevents surprise deliverability failures. Delisting requires proper process.

Monitoring tools:

MXToolbox: Free lookup, alerting available

MultiRBL: Checks many lists simultaneously

Hetrix Tools: Automated monitoring with alerts

DNSstuff: Comprehensive DNS and blocklist checks

Key blocklists to monitor:

Spamhaus SBL/DBL: Most impactful

Barracuda BRBL: Common for B2B

Spamcop: User-reported, often temporary

Invaluement: Targets snowshoe patterns

When listed, before requesting removal:

Identify what caused the listing

Stop the problematic behavior

Document remediation steps taken

Wait appropriate time (some lists auto-expire)

Delisting process:

Each blocklist has its own procedure

Visit the blocklist's website for instructions

Provide requested information honestly

Explain remediation steps taken

Be patient; rushing gets rejected

Preventing re-listing:

Address root cause completely

Monitor after delisting for recurrence

Adjust practices based on what triggered listing