OpenEMM Support

I have had the same problem (Blank screen when importing CSV file)

I tried to import a csv file including old recipients (which were already in the OpenEMM DB) and some new ones (I wanted to be added)
--> blank screen, no output

However it turned out that one recipient was two times (with the same ...

I fixed it by reinstalling OpenEMM.

I found out that my problem only occurs if I send mails to the test recipients.

Hello community,
I have already put a lot of time into my problem but I can't fix it myself, I hope you can help me. I am new to OpenEMM, sendmail, etc.

To my Problem:
OpenEMM is great program and it is working well but it sends two mails to one receiver!?
If I click at "Send test mails to the ...