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UTL_SMTP.AUTH Fails with ORA-29278: SMTP Transient Error: 421 Service Not Available (Doc ID 2966104.1)

Last updated on AUGUST 08, 2023

Applies to:

PL/SQL - Version 19.16.0.0.0 and later
Information in this document applies to any platform.

Symptoms

The code given in Doc ID 1323140.1 fails with "421 Service not available" error while sending email from database using an SMTP server over SSL connection. The failing line number in the error stack indicates the error is raised by the call UTL_SMTP.AUTH().

Changes

An attempt is made for the first time to send an email from database using UTL_SMTP package.

Cause

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In this Document
Symptoms
Changes
Cause
Solution
References


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