SMTP Einstellungen funktionieren nicht. Fehler: Expected response code 220 but got an empty response

[j-ed]

Ich denke Du hast primär übersehen, dass es auch eine Suchfunktion in diesem Forum gibt

https://help.nextcloud.com/search?q=smtp

oder

Email configuration smtp doesn't work on 1and1/1und1/ionos hosting, but email app works

Good afternoon, Nextcloud version: 14.0.3 Operating system and version: Debian 8.11 Apache or nginx version: Apache (couldn’t find out more) PHP version: 7.2.11 The issue you are facing: unfortunatley I have problems setting up the Email configurations for smtp in the Basic Settings. I tryed everything I know and don’t know what to do anymore. I run Nextcloud 14.0.3 on a 1und1 Hosting. I can send and receive E-Mails by using the same account through other programms like Thunderbird and …