Zitat von Michael Peter <roundcube...@alaadin.org>:

Hello,

smtpd_tls_security_level = encrypt
smtp_tls_security_level = encrypt

I configured postfix to use encryption for incoming and outgoing emails.

but incase the receipt  has untrusted certificate or self signed
certificate, postfix still deliver the email.

How to enforce postfix not to send the email incase the receipt
certificate is untrusted or self signed?

Many thanks

Michael Peter

You will need "verify" level for this : http://www.postfix.org/TLS_README.html#client_tls_verify

Regards

Andreas


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