# 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:** 7

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**Author:** ![joeyk](https://sea2.discourse-cdn.com/flex020/user_avatar/forum.mautic.org/joeyk/32/11164_2.png) [@joeyk](https://forum.mautic.org/u/joeyk)\
**Post date:** [September 2, 2020, 8:33am UTC](https://forum.mautic.org/t/3-1-0-ses-api-working-but-not-sns-404-worker-amazon-callback/15832/7 "2020-09-02T08:33:40Z")

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Why is it a different endpoint? Does SNS feedback loop give a different webhook if you send emails via API not SMTP?

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