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The Ultimate Guide to Email Deliverability [With Examples]
mailshake.com
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That said, your sender reputation is the primary key to success. Sender reputation is calculated by each ISP based on metrics such as: “The volume of emails sent from the domain/IP” Sending frequency (consistent traffic or large sends with long intervals of silence)
The volume of emails sent from the domain/IP “Sending frequency (consistent traffic or large sends with long intervals of silence)” Percentage of bounce emails (high percentage signals bad list management practices)