Si no puedes mandar un correo por el error Deferred: 403 4.7.0 TLS handshake failed. con sendmail
El error marca
The original message was received at Fri, 30 Apr 2021 23:30:12 -0500 from servidor.com [127.0.0.1]
—– The following addresses had permanent fatal errors —– <usuario@servidor2.com>
(reason: 403 4.7.0 TLS handshake failed.)
—– Transcript of session follows —– <usuario@servidor2.com>… Deferred: 403 4.7.0 TLS handshake failed.
Message could not be delivered for 5 days Message will be deleted from queue
# emacs /etc/mail/access
Try_TLS:outlook.com NO
Srv_Features:servidor2.com V
Srv_Features: V
Try_TLS:servidor2.com NO
Try_TLS: NO