# Sending PIN via Microsoft Integration

**URL:** <https://community.glideapps.com/t/sending-pin-via-microsoft-integration/82561>\
**Category:** Report a Bug\
**Created:** [June 17, 2025, 6:08pm UTC](https://community.glideapps.com/t/sending-pin-via-microsoft-integration/82561 "2025-06-17T18:08:34Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dezwatz](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/dezwatz/32/77903_2.png) [@dezwatz](https://community.glideapps.com/u/dezwatz)\
**Post date:** [June 17, 2025, 6:08pm UTC](https://community.glideapps.com/t/sending-pin-via-microsoft-integration/82561/1 "2025-06-17T18:08:34Z")

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I’m receiving an error whenever I attempt to send a PIN using the Outlook Integration. 550 5.7.708 Service unavailable. Access denied, traffic not accepted from this IP

Is anyone else getting this as well?

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**Author:** ![ThinhDinh](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/thinhdinh/32/49_2.png) [@ThinhDinh](https://community.glideapps.com/u/ThinhDinh)\
**Post date:** [June 18, 2025, 12:02am UTC](https://community.glideapps.com/t/sending-pin-via-microsoft-integration/82561/2 "2025-06-18T00:02:32Z")

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Found this from a Microsoft forum.

 ![image](https://us1.discourse-cdn.com/flex002/uploads/glideapps/original/3X/5/9/59e15209bb591b6f82a808fa607a83f768830be7.png)

Please check this.

> **[How to fix 'Remote server returned '550 5.7.708 Service unavailable' while...](https://learn.microsoft.com/en-us/answers/questions/1366400/how-to-fix-remote-server-returned-550-5-7-708-serv)**
>
> I am able to send mail through Graph API but it is not received by the recipient. I have added O365 licenses and given all the permissions to the application which was created in the Azure portal. An access token is generated differently for the…

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**Author:** ![system](https://sea2.discourse-cdn.com/flex002/user_avatar/community.glideapps.com/system/32/53398_2.png) [@system](https://community.glideapps.com/u/system)\
**Post date:** [December 15, 2025, 12:03am UTC](https://community.glideapps.com/t/sending-pin-via-microsoft-integration/82561/3 "2025-12-15T00:03:08Z")

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