server error 554 5.7 1

  1. bhawanisingh

    Error "554.5.7.1 you are not allowed to connect"

    Introduction: Have you ever faced a problem with SMTP error 554.5.7.1? Usually, people used to face while sending the mail from the exchange server to domain user who are permitted externally. At this time, they face the SMTP problem “you are not allowed to connect”. Simply, it shows the error...