So to provide a workaround for this issue on existing package it is possible to require apt to ignore default-mysql-server dependency by adding it in argument with a final '-' :
apt install sympa default-mysql-server-
will do it.
So to provide a workaround for this issue on existing package it is possible to require apt to ignore default- mysql-server dependency by adding it in argument with a final '-' :
apt install sympa default- mysql-server-
will do it.