All mails received from heise.de 1 are malformed in the mail app:
Expected behavior
I expect a readable view of the e-mail.
Actual behavior
See picture above.
Edit: Snappy Mail (on the same Nextcloud instance) and Roundcube (E-Mail service provider) display the mails correctly. The mails are also displayed correctly after exporting the mail from the mail app and opening with Outlook or Thunderbird.
Mail app version
3.3.1
Mailserver or service
Own mail server
Operating system
Ubuntu 22.04.3 LTS
PHP engine version
PHP 8.1
Web server
Nginx
Database
MySQL
Additional info
As requested by kesselb @ help.nextcloud.com please find an original mail from heise.de, which was downloaded from the mail app (sensitive information was replaced - added .txt extension as .eml would not upload)
Steps to reproduce
All mails received from heise.de 1 are malformed in the mail app:
Expected behavior
I expect a readable view of the e-mail.
Actual behavior
See picture above. Edit: Snappy Mail (on the same Nextcloud instance) and Roundcube (E-Mail service provider) display the mails correctly. The mails are also displayed correctly after exporting the mail from the mail app and opening with Outlook or Thunderbird.
Mail app version
3.3.1
Mailserver or service
Own mail server
Operating system
Ubuntu 22.04.3 LTS
PHP engine version
PHP 8.1
Web server
Nginx
Database
MySQL
Additional info
As requested by kesselb @ help.nextcloud.com please find an original mail from heise.de, which was downloaded from the mail app (sensitive information was replaced - added .txt extension as .eml would not upload)
Mittwoch Google macht Kasse mit Kartendaten, Nord Stream-Spur in die Ukraine.eml.txt