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I checked the email address you mentioned you aren't receiving emails for above.
The reason you were not receiving the emails to that address is because it ended up in our bouncelist so I have removed it for you.
Result: email@example.com is IN the bounce listReason(s) : smtp; 550 5.1.0 LuCE1t00s0FQya001uCFZ1 authentication failed
If it happens again please see https://www.jotform.com/help/262-How-to-Remove-Your-Email-Address-from-Bounce-List so that you can remove it again if necessary.
Also, please refer to these guides which can help more: