Envelopes with Delivery Failure - TLS is required, but was not offered by host
Envelope has a Delivery Failure status with the message "Auto Responded: Correct to fix email address errors."
Sender may receive email notification for the envelope stating
"Documents sent for signature could not be delivered to this email address
The destination email system provided this error message:
X-Postfix; TLS is required, but was not offered by host [recipient's domain]"
The recipient's mail server does not accept inbound emails with TLS 1.1 or higher.
- Resend the envelope
- Advise the recipient that their mail server should be updated to accept inbound emails with TLS 1.1 at a minimum.