Operation Manual
The box "Include when sending/receiving mails" is checked by default, you can uncheck it to
temporarily stop using the account.
You can enable/disable the account by (un-)checking the Enable Account box.
SMTP
In the Host field, enter the address of your outgoing server.
In the Port field, specify the port number to be used by the SMTP protocol. Default is port 25 . You
can read about email protocols in Advanced Information.
In the Security policy field, select a security protocol. Read more about Security Protocols.
Select Authentication method: Use Identity credentials or manually fill in user name and
password.