# How-to guides Step-by-step guides for key operations and common tasks with the Synapse charm. * [Back up and restore](https://canonical.com/juju/docs/synapse-charm/latest/how-to/backup-and-restore/index.html.md) * [Configure SMTP](https://canonical.com/juju/docs/synapse-charm/latest/how-to/configure-smtp/index.html.md) * [Horizontally scale](https://canonical.com/juju/docs/synapse-charm/latest/how-to/horizontally-scale/index.html.md) * [Contribute](https://canonical.com/juju/docs/synapse-charm/latest/how-to/contribute/index.html.md)