Q: Postfix & Host not found mail.protection.outlook.com

Discussion in 'ISPConfig 3 Priority Support' started by macguru, Jan 14, 2020.

  1. macguru

    macguru Member HowtoForge Supporter

  2. till

    till Super Moderator Staff Member ISPConfig Developer

    Check that the name servers that your server is using to resolve names in DNS are working properly.

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