.env file. The defaults live in config/lekalao.php. After every change:
Laravel
The usual Laravel variables apply. The ones that matter for Lekalao:Sending
Sending safety
The per-mailbox rates (Gmail 300 a minute, Outlook 200, Orange 120, 600 for the rest…) are in
config/lekalao.php, key sending.recipient_limits. See Sending safety.
SMTP relay
The relay itself is started with its own options: see Processes.
API
Media
Data
Registration, billing, licence
Interface languages
config/lekalao.php, key locales: the languages offered to users. Each one has its lang/{code}.json file. The languages of subscribers are not limited in the same way: see Languages.