Set up DMARC and see who's sending email using your brand's domain.

What happens if my dedicated IP gets blacklisted?

The Postmark team is constantly monitoring every IPs’ performance, which includes alerts on common blacklists. Whenever possible we’ll attempt to resolve a problem immediately without your involvement.

However, consistent blacklistings and major blocks are not normal. They tell a story that the sender themselves is not following best practices. We’re able to offer advice in such cases, but resolving this kind of issue requires you immediately remedy any poor list management and/or sending practices yourself.

If problems persist or adequate changes are not made, we’ll consider revoking your dedicated IP access or suspension of the account.

Last updated June 11th, 2020

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