Why Does an SMTP Service Disconnect Error Occur When Testing an Email Campaign? – User Guide

Why Does an SMTP Service Disconnect Error Occur When Testing an Email Campaign?

Problem

While testing an Email campaign, the following error message occurs:

SMTP service disconnected

Cause

Typically, this error occurs due to incorrect credentials.

Solution

The error originates from the SMTP connector.
Verify whether MoEngage manages the Email connector (SendGrid) or if another provider is used.

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