export--- via Postfix-users:
> Sent email returns with the error
>
> #5.7.0 Must issue a STARTTLS command first (in reply to MAIL FROM command)
>
> How can I correct that error?
> Thank you for help
Assuming that the actual message was:
530 5.7.0 Must issue a STARTTLS command first
* If this happens while Postfix receives a message with the 'submission'
service (TCP port 587) then the client is at fault.
This should not be fixed on the Postfix side. The client should
turn on TLS, or it should not use the submission service.
* If this happens while Postfix receives a message with the 'smtp'
service (port 25) then the server is at fault.
This can be fixed on the Postfix side with:
main.cf:
smtpd_tls_security_level = may
Wietse
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