How to audit cold email tool settings for deliverability?

Regular audits catch configuration drift and prevent deliverability problems.

Authentication audit:

Verify SPF, DKIM, DMARC for each sending domain

Test authentication using mail-tester.com or similar

Check for record errors or expirations

Confirm DKIM keys are 2048-bit

Sending configuration audit:

Review per-mailbox daily limits

Check throttling and delay settings

Verify business hour configurations

Confirm appropriate timezone settings

List management audit:

Test suppression list functionality

Verify bounce handling removes addresses

Check unsubscribe processing speed

Confirm CRM sync is current

Warmup status audit:

Review warmup completion for each mailbox

Check warmup pool engagement metrics

Verify warmup volume isn't competing with campaigns

Tracking configuration audit:

Confirm tracking domain reputation

Verify pixel and link tracking settings match intent

Test tracking across different clients

Monitoring audit:

Confirm Postmaster Tools access for each domain

Verify blocklist monitoring is active

Check alerting configuration for problems