Blog · topic

policy

2 posts

All 11 deliverability 10 sending 4 warmup 3 policy 2 open-source 1
2 posts
deliverabilitypolicy 7 min read

What complaint, bounce, and spam rate gets you throttled?

The numbers that actually trigger enforcement: Google spam under 0.10%, SES complaint under 0.1% and bounce under 5%. Plus the stricter bands we quarantine at.
warmuppolicy 6 min read

Quarantine early: how we protect shared warmup pools

Most warmup tools pull a mailbox at 80% spam placement. Warmbly quarantines at 20%, on separate signals with sample floors, and re-entry you have to earn.

Send cold email people actually open.

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