In Settings, it is possible to set the file name with which the email is saved when saving the email.
For example:
[Date]_[Time] [Subject]
20240524_0720 Discussion
obsession
[Date]_[Time] [From] [Subject]
20240524_0720 Valaki@gmail_com Discussion
obsession
[Date]_[Time] [First 5 characters of sender] [First 15 characters of subject]
20240524_0720 Someo Discussion