Go to the menu item Settings -> Depots Gehe zu Einstellungen -> Abholstationen
Choose one of the depots by ticking the checkbox. Choose from the menue the action “Send email to members”
A new window of your external mail client opens including all e-mail addresses of members that pick up from the selected depot.
There is also the option to send e-mails directly from the OpenOlitor system rather than using an external mail client (e.g. Thunderbird, Outlook, etc.). You can find this option under the menue item “E-mail formular”.