Glossary
IP warming, also known as IP conditioning, is the process of gradually increasing the volume of email sent from a particular IP address. This gives inbox providers time to observe sending patterns and assess engagement, helping establish a positive reputation.
A sudden spike in volume can trigger throttling, spam filtering, or outright blocking – especially if recipients don’t engage positively with the messages.
Successful IP warming includes:
Note: IP warming only improves outcomes if the content is wanted, the list is clean, and sending behavior remains consistent.
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