552 5.1.1 5.2.2 sorry, final recipient mailbox is full (chkuser)
550 5.1.1 <xxx>
sender is blacklisted
552 5.2.0 0biL1i00V1cmcpM01biL4w spam detected
550 5.1.0 0bcW1i00G0jifNx01bcmHa blocked by SPF
554 cmg1.fe.forpsi.com bizsmtp 0bcW1i00G0jifNx01bcmHa no DNS reverse for x.x.x.x
0bcW1i00G0jifNx01bcmHa
550 5.1.0 1Qk81i01C0kRQ6S01QkX4j invalid domain
554 cmg1.fe.forpsi.com bizsmtp 0bqv1i0054rvCQt01 Connection refused from x.x.
Trouble logging in? Simply enter your email address OR username in order to reset your password.
For faster and more reliable delivery, add example@example.com to your trusted senders list in your email software.