The following information is required when manually configuring your account. It is also required for photocopiers/scanners and even forms on your website.
With few exceptions, your hostname should be mail.your.domain.name #1. Some mail clients may look for and attempt to use other hostnames, such as smtp.your.domain.name, imap.your.domain.name, and pop3.your.domain.name. As stated, they should be changed and set to mail.your.domain.name.
In some cases (for example, if you run your own server), you will be given an alternate hostname. Your administrator will provide this as either email.your.domain.name #1 or a specific server name.
All services required authentication. No IP based relay is permit.
Please use "plain" as authentication mechanisms. Your passwords will not be transferred plain text, as no authentication is allowed to take place without TLS.
Calendar (CalDAV) and contacts (CardDAV) URLs are:
CalDAV - https://mail.your.domain.name/SOGoemail@example.com/Calendar/personal/
CardDAV - https://mail.your.domain.name/SOGofirstname.lastname@example.org/Contacts/personal/
Some applications may require you to use https://mail.your.domain.name/SOGo/dav/ only and detect the full URL.
#1 - ....your.domain.name is an example and not literal. Replace this with your own domain name.