Thanks to Duong Nguyen for the second user-submitted post on Changing Roundcube Max Attachment Size in Lion Server! By default, Lion Server’s webmail (Roundcube) has a 5MB max attachment size. The max attachment size is read from php’s “upload_max_filesize” and “post_max_size”. We don’t need to edit php.ini because Lion Server created a .htaccess in Roundcube’s directory that overrides php.ini’s settings. Please only do this if you are comfortable with the terminal! I start by SSHing to my server as root (or you can open a root terminal). 1. # cd /usr 2. # cd share 3. # cd webmail 4. # vi .htaccess 5. Use your arrow keys to navigate…