ORA-24250 : No Supported Authentication Scheme Found when Sending Mail Using APEX_MAIL.SEND with MS Exchange Server
(Doc ID 1457851.1)
Last updated on FEBRUARY 09, 2023
Applies to:
Oracle Application Express (APEX) - Version 4.0.1 and laterOracle Database Cloud Service - Version N/A and later
Oracle Database Exadata Express Cloud Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
Symptoms
1. Cannot send mail from APEX using MS Exchange Server. The emails are never received and messages show up in the APEX instance mail queue with error ORA-24250: No supported authentication scheme found
2. When using the default sendmail smtp server (localhost) APEX sends emails successfully.
Changes
Configured mail to work with localhost smtp server and it works successfully.
Changed mail server to MS Exchange Server and sending mail fails with ORA-24250: No supported authentication scheme found.
Cause
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In this Document
| Symptoms |
| Changes |
| Cause |
| Solution |
| References |