If you wish any person to visit your office, configure Trusted Mail Domain settings so that anybody can access your portal clicking the Click here to join link on the Sign in page of your portal. To do that,
- click the icon at the top of the page or open the Choose drop-down list next to the ONLYOFFICE logo and choose the Settings option,
- select the Portal Access subsection of the Security section,
- scroll down to the Trusted Mail Domain Settings section,
- check the Custom domains radiobutton,
- click the Add trusted domain link,
- enter the trusted mail server in the field which appears below,
- check the Add users as guests case below the server fields,
- click the Save button at the bottom of the section.
From this moment any person who has an account at a specified mail server will be able to visit your office.