···214214PDS_EMAIL_FROM_ADDRESS=admin@your.domain
215215```
216216217217+If you prefer to use a standard SMTP server (a local one or from your email provider), put your account's username and password in the URL:
218218+219219+```
220220+PDS_EMAIL_SMTP_URL=smtps://username:password@smtp.example.com/
221221+```
222222+223223+Alternatively, if you're running a local sendmail-compatible mail service like Postfix or Exim on the same host, you can configure the PDS to use the sendmail transport by using such URL:
224224+225225+```
226226+PDS_EMAIL_SMTP_URL=smtp:///?sendmail=true
227227+```
228228+217229_Note: Your PDS will need to be restarted with those variables. This varies depending on your setup. If you followed this installation guide, run `systemctl restart pds`. You might need to restart the server or recreate the container, depending on what you are using._
218230219231### Updating your PDS