Let's Encrypt certificate cannot be renewed for MailEnable

Created:

2017-03-01 12:34:37 UTC

Modified:

2017-08-18 15:09:38 UTC

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Let's Encrypt certificate cannot be renewed for MailEnable

Applicable to:

  • Plesk Onyx for Windows

Note: This article has the reference to the issue with the fix available:

  • #PPPM-5853 "Let’s Encrypt certificate was not applied to MailEnable mail server after renewing."
    Fixed in:
Please consider updating your server:

Symptoms

  • A certificate issued by Let's Encrypt is configured as Certificate for securing mail at Plesk > Tools & Settings > SSL/TLS Certificates .
  • When the certificate is renewed, MailEnable still uses the old certificate.
  • The error like below could be found in SMTP-Activity log:
    454 TLS not available due to temporary reason

Cause

This issue has been considered as Plesk bug #PPPM-5853 and will be fixed in future product updates.

Resolution

1. Download an attached archive ( Custom_fix_Plesk_Onyx.zip ).

2. Backup original %plesk_dir%admin\bin\mailenableproviderw.dll and %plesk_dir%admin\bin\certmng.exe files.

3. Replace them with the ones from the archive.

Attachments:

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