- Plesk 11.0 for Windows
- Plesk 11.5 for Windows
- Plesk 12.0 for Windows
- Plesk 12.5 for Windows
The SMTP, Mail Transfer Agent (MTA), or Post Office connector crashes in MailEnable.
This is a software issue in MailEnable, ME020058 - BUG .
Usually, the only reason the MTA or SMTP fails is due to a corrupted message in its queue. Look in the following directories:
Please follow the instructions from the MailEnable original Knowledgebase article .