Does phpbb have that function? (sending to all members)

According to phpBB 3.3 Proteus documentation it does.
Administration Guide
111
10.3. Mass email
phpBB allows you to send an e-mail or message to every user on the board, which allows
it in his board preferences. The message can serve as a ...

Thanks , The shipping fee does seem excessive. I have only dealt with DHL on the receiving end.
Later floyd

https://openinverter.org/forum/viewtopic.php?t=6626
sept7,2025
DHL currently refuses to transport shipments to the US due to the unique way the country is currently run. So orders to the US cannot be served until further notice.

https://www.dhl.com/us-en/home/important-information/2025/shipments ...