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What could be the reasons duplicate emails are sent from Ubuntu 20.04
I used DO LAMP for Sendy. Sendy is a newsletter program and it uses AWS SES and I set it up correctly.
It sends a confirm-email ONCE and an email-confirmed email TWICE.
The Message-IDs are different and one is created after 1 second.
Created at: Tue, May 18, 2021 at 10:22 AM (Delivered after 0 seconds) Created at: Tue, May 18, 2021 at 10:22 AM (Delivered after 1 seconds)
According to the developer, it should send it only once.
I disabled all cron-jobs, but I still get duplicates.
I’m not sure what could be the causes.
I’m open to any suggestions. Please let me know.
My server has the following ufw.
|443/tcp (v6)||ALLOW IN||Anywhere (v6)|
|80/tcp (v6)||ALLOW IN||Anywhere (v6)|
|25/tcp (v6)||ALLOW IN||Anywhere (v6)|
|110/tcp (v6)||ALLOW IN||Anywhere (v6)|
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