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What this article shares to you is about the mailbox server DNS BLACKLIST how to filter SMTP, the editor thinks it is very practical, so I share it with you to learn. I hope you can get something after reading this article.

Foxmail and thundbrid send email error when configuring domino SMTP client

Long after the query, it was found that DNS BLACKLIST filtering spam was enabled in domino's SMTP configuration, while an organization with a relay.rndb.org in the filter list caused blacklist to determine that it might become any after the organization stopped serving.

Exchange has a similar function.

This is how the mailbox server DNS BLACKLIST filters SMTP. The editor believes that there are some knowledge points that we may see or use in our daily work. I hope you can learn more from this article. For more details, please follow the industry information channel.

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