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.