Posts tagged ESP matching cold email

2 posts

April 23, 2026 5 min read
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ESP Matching Explained: Why Sending Google to Outlook Tanks Your Reply Rate

Learn why ESP matching affects cold email deliverability and how to fix Google to Outlook sending issues to boost your reply rates.
April 16, 2026 7 min read
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Gmail to Gmail: The ESP Matching Strategy Most Cold Emailers Don't Know About

Sending cold email from a Gmail account to Gmail recipients gets better deliverability than custom domains. Here's the technical reason why—and how to set up a proper ESP matching stack.