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This error could apply to the "From", "Source", "Sender", or "Return-Path" address.
In Amazon SES, sender reputation refers to the credibility and trustworthiness of the email sender as perceived by email providers and spam filters. It is a measure of how likely your emails are to be considered legitimate and delivered successfully to the recipients' inboxes.
This document describes best-practices for Maintaining a positive sender reputation.
answered 2 years ago
