# 550 Verification Failed ´No Such User' (Callback verification)

**URL:** <https://meta.discourse.org/t/550-verification-failed-no-such-user-callback-verification/95560>\
**Category:** Self-hosting\
**Created:** [August 24, 2018, 10:05am UTC](https://meta.discourse.org/t/550-verification-failed-no-such-user-callback-verification/95560 "2018-08-24T10:05:51Z")\
**Posts on this page:** 1\
**Showing post:** 4

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**Author:** ![dexpositoromero](https://sea3.discourse-cdn.com/meta/user_avatar/meta.discourse.org/dexpositoromero/32/119643_2.png) [@dexpositoromero](https://meta.discourse.org/u/dexpositoromero)\
**Post date:** [August 24, 2018, 10:25am UTC](https://meta.discourse.org/t/550-verification-failed-no-such-user-callback-verification/95560/4 "2018-08-24T10:25:54Z")

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Hi Bhanu,  
Thanks for your reply. See below, looks like I managed to sort it out.  
Re: SSL, because Let’sEncrypt+Cloudflare was a nightmare to set up for the main site, I am using Cloudflare’s shared certificated for the main site. Not sure how to manage it with Cloudflare + Ubuntu, hence why no HTTPS. If you have any links I can look at, that’d be amazing!  
Kind Regards,  
Daniel

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