Hello forum that happens. anyone can help me with this error. someone has had this error?
<firstname.lastname@example.org>: host mx1.nokia.xx[xx.100.105.xx] said: 403
4.7.0 encryption too weak 0 less than 168 (in reply to MAIL FROM command)
how I can solve. I need to send mail, but is coming back to me everyone. not before this happened.
Thanks a lot!