Attempt to create an Office 365 user fails with:
Email notification failed. Server does not support secure connections.
SMTP server configuration does not support SMTPS connections.
The following steps should be done to allow non-secure mail sending:
- Open Internet Information Services(IIS) on the Office 365 Endpoint;
- Right click on the Office 365 Application and choose Explore;
- Find settings.conf file and open it;
<add key="SMTP_EnableSsl" value="true" />should be replaced with
<add key="SMTP_EnableSsl" value="false" />;
- Right click on the Office 365 Site choose Manage Web Site and restart it to apply new configuration.