
PowerMTA Support Forum
- February 09, 2023, 06:54:46 AM
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News:
PowerMTA 5.5r1 is out!!!! Please contact support@port25.com for a license and download access.
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- List-Unsubscribe header critical for delivery and how we help PMTA users
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Topic: List-Unsubscribe header critical for delivery and how we help PMTA users (Read 43668 times)
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- PowerMTA Support Forum >
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- List-Unsubscribe header critical for delivery and how we help PMTA users