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Error: SMTP Connection Refused

Number of views : 0
Article Number : KB0011416
Published on : 2021-12-23
Last modified : 2021-12-23 15:45:23
Knowledge Base : IT Public Self Help

The mail servers operated by ITS can refuse SMTP connections from other servers for two reasons: either the remote server has a bad reputation score, or it is on our local block list of banned hosts. Please see the corresponding pages for details.

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