Roundcube/Konfiguration

Attachment size

# php --ini | grep "Loaded"
Loaded Configuration File:     /etc/php/8.0/cli/php.ini

# php -i | grep -E "post_max|upload_max"
post_max_size => 8M => 8M
upload_max_filesize => 2M => 2M

# vi /etc/php/8.0/cli/php.ini

Roundcube => config.php : $config['max_message_size'] = 5M

postfix => main.cf : message_size_limit= 5242880