SMTP Status: blocked - no DATA from client

Products

• Email Security.cloud

Issue/Introduction

An email has not been delivered to the recipient. In track and trace the email  'Log View' shows the following error:

SMTP Status: blocked - no DATA from client

Cause

The cause of this is that client side ( sending server ) has not provided any data in the SMTP conversation. 

 

Resolution

This will need to be investigated by the sender side MTA.