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You have configured the PortalGuard Bootstrap setting to use your Twilio account to send SMS messages but receive the "Hosted Service Delivery Failure" error when attempting to send an OTP:
The PortalGuard runtime log shows the following error message:
When using Twilio as a 3rd party messaging provider for SMS delivery, you will need to edit the From field on the Password Rules -> OTP -> Delivery Format – SMS tab in all of your PG Security Policy configurations in the PortalGuard Configuration Editor:
If you have a single Twilio phone number, enter it in that field. If you have multiple Twilio numbers and want to use their Co-pilot feature, enter the “Messaging Service SID” in that field instead.
Please be sure to also enter the same value in the From fields under the Authentication Methods -> Phone -> Delivery Format tab. Be sure to do this under all four (4) "Message Types":
Save and Apply these changes for them to take effect.