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exchange

  1. M

    Question DKIM fails with plesk server as relay

    Hello, we are runnig plesk obsidian 18.0.44 with postfix as a mail relay for an exchange server 2019. there are multiple different mail domains on the exchange server. in recent times mail delivery failed because dkim was not set up so i enabled dkim for domains on the exchange server. dkim...
  2. H

    Issue Recipient address rejected: User unknown in virtual mailbox table).

    Dear friends, I have "mydomain.com" one email address on exchange and one email address on VPS. When I want to send an email from email address from VPS to email on exchange i get - Error SMTP (550): can't add the recipient "[email protected]" (5.1.1 <exchange@mydomain>: Recipient address...
  3. K

    Question Outlook autodiscover conflicts with https

    Hi We have a few CentOS 6 servers running Plesk 12.5 and OS vendor version of Apache 2.2 and have recently enabled https for some websites and opened access to https from the outside world. However only a few websites are using SSL/TLS certificates and due to the way apache handles incoming...
  4. Rachel Moorehead

    Gracefully Handling Microsoft AutoDiscover Inquiries

    Greetings! Environment: RHEL 6.6 Plesk 12.0.18 RedHat el6 1200151014.14 Background: We've recently switched to a Microsoft Exchange based email service. As a part of the email client configurations, Microsoft uses a utility called AutoDiscover. AutoDiscover has a predefined set of URLs that...
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