We are currently testing the PMG and are already very convinced in many areas.
However, we receive the message “Cannot start TLS: handshake failure” several times a day when connecting to the mail servers of various customers.
The options
The mails all end up in the 'deferred queue'
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However, we receive the message “Cannot start TLS: handshake failure” several times a day when connecting to the mail servers of various customers.
The options
- - Enable TLS
- - Enable TLS Logging
- - Add TLS Recieved Header
The mails all end up in the 'deferred queue'
Code:
postfix/smtp[1509]: setting up TLS connection to XXX.de.mail.protection.outlook.com[52.101.73.22]:25...Read more