# I have this error ? and can't find out how to fix it **URL:** \ **Category:** Uncategorized\ **Created:** [April 23, 2021, 8:10am UTC](https://forum.manager.io/t/i-have-this-error-and-cant-find-out-how-to-fix-it/34435 "2021-04-23T08:10:34Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![Thommies83](https://avatars.discourse-cdn.com/v4/letter/t/8edcca/32.png) [@Thommies83](https://forum.manager.io/u/Thommies83)\ **Post date:** [April 23, 2021, 8:10am UTC](https://forum.manager.io/t/i-have-this-error-and-cant-find-out-how-to-fix-it/34435/1 "2021-04-23T08:10:34Z")
The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.57 Client not authenticated to send mail. [[BN6PR2001CA0001.namprd20.prod.outlook.com](http://BN6PR2001CA0001.namprd20.prod.outlook.com)] can someone help as I’m not tech savvy. Thanks Lance ---
**Author:** ![Tut](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.manager.io/tut/32/3286_2.png) [@Tut](https://forum.manager.io/u/Tut)\ **Post date:** [April 23, 2021, 1:57pm UTC](https://forum.manager.io/t/i-have-this-error-and-cant-find-out-how-to-fix-it/34435/2 "2021-04-23T13:57:04Z")
Read the Guide: [Troubleshoot email issues | Manager](https://www.manager.io/guides/9100). Follow any relevant links in it for your operating system and email provider. If you cannot resolve the problem, furnish all information specified in the Guide. ---
**Author:** ![Ealfardan](https://sea1.discourse-cdn.com/flex019/user_avatar/forum.manager.io/ealfardan/32/63166_2.png) [@Ealfardan](https://forum.manager.io/u/Ealfardan)\ **Post date:** [July 5, 2026, 8:21pm UTC](https://forum.manager.io/t/i-have-this-error-and-cant-find-out-how-to-fix-it/34435/3 "2026-07-05T20:21:29Z")
Closed on July 5, 2026, 8:21pm UTC Uncategorized topics older than 3 years with no recent activity