# 3.1.0: SES API working but not SNS (404 /worker/amazon/callback)

**URL:** <https://forum.mautic.org/t/3-1-0-ses-api-working-but-not-sns-404-worker-amazon-callback/15832>\
**Category:** Product Support\
**Created:** [August 27, 2020, 9:22am UTC](https://forum.mautic.org/t/3-1-0-ses-api-working-but-not-sns-404-worker-amazon-callback/15832 "2020-08-27T09:22:34Z")\
**Posts on this page:** 1\
**Showing post:** 8

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**Author:** ![m.abumusa](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/m.abumusa/32/741_2.png) [@m.abumusa](https://forum.mautic.org/u/m.abumusa)\
**Post date:** [September 2, 2020, 9:28am UTC](https://forum.mautic.org/t/3-1-0-ses-api-working-but-not-sns-404-worker-amazon-callback/15832/8 "2020-09-02T09:28:01Z")

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No, it is the same response from SES and in Mautic it is handled the same way, but Mautic looks only for the active sending method and enable the callback url for it.

So amazon SMTP has a different endpoint that the one for SES api

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