Hard bounces: when should an address come off the suppression list?Not every hard bounce is a dead address. What the bounce codes mean, which ones to suppress for good, which ones deserve a quarantine, and how Mailchimp handles it.
Ruth Williams · Blog
The acadion experts' blog
What we've learned about email lists, deliverability and reputation, written for email marketers.
Hard bounces: when should an address come off the suppression list?Not every hard bounce is a dead address. What the bounce codes mean, which ones to suppress for good, which ones deserve a quarantine, and how Mailchimp handles it.Ruth Williams · 
What "cleaned" means in Mailchimp, and whether you still pay for themMailchimp marks a contact as cleaned when its address bounces. What causes it, whether cleaned contacts count toward your bill, and what to do with them.Ruth Williams · 
Sender reputation: the score your Mailchimp list is quietly earningEvery send to someone who never reacts counts against your domain. What sender reputation is, how inactive contacts drag it down, and how to protect it without deleting anyone.Ruth Williams · 
Inbox placement: why "delivered" doesn't mean anyone saw your emailDelivery rate counts what mailbox providers accepted. Inbox placement is where it went afterwards. How to tell them apart, what drags placement down, and how a cleaner list fixes it.Ruth Williams ·