Creating external users

If the currently selected domain is an external domain (hosted by an external mail server), "New User" button will create external users. External users are created in WebMail Pro only. If you don't use WebMail Pro, creating such users makes no sense.

Login
username used for authentication on incoming (POP3/IMAP) mail server. Some mail servers require username to be a full e-mail address, other ones - pure username without a domain part.
Password
password used for authentication on incoming (POP3/IMAP) mail server.
Mailbox limit
maximum mailbox size which limits amount of mail which can be stored in the mailbox.
Name
user's friendly name ("Your name" ). Added to "From" address only if "Use Friendly Name in "From:" field" is enabled.
Email
user's e-mail address.
SMTP login
username used for authentication on outgoing (SMTP) mail server. Some mail servers require username to be a full e-mail address, other ones - pure username without a domain part. Used only if "Use SMTP authentication" is enabled.
SMTP password
password used for authentication on outgoing(SMTP) mail server. Used only if "Use SMTP authentication" is enabled.
Use SMTP authentication
tells if SMTP authentication should be performed when sending messages.

Use Friendly Name in "From:" field - tells if friendly name ("Name" field) should be added to "From" field of outgoing messages.

Get/Synchronize Mails at login
forces WebMail to automatically start receiving message after logging user in.
Delete received messages from server
causes deleting messages from mail server after receiving them in WebMail.
Leave messages on server
means leaving messages on mail server after receiving them in WebMail.
Keep messages on server for X day(s)
messages older than X days will be deleted from mail server after receiving in WebMail.
Delete message from server when it is removed from Trash
if you delete messages from Trash folder in WebMail, they'll be deleted from mail server too.
Type of Inbox Synchronization
mode which determines how WebMail mailbox will be synchronized with the appropriate mail server mailbox:
Delete message from database if it no longer exists on mail server
forces WebMail do delete messages from its database if they're no longer exist on mail server (e.g. deleted by other e-mail client software).
Allow Direct Mode
allow user to set "Direct Mode" type of Inbox synchronization. If disabled, "Direct Mode" choice won't be available for user.
Allow user to change email settings
allows/disallows users to change e-mail settings listed on this screen (i.e. you're currently editing). If enabled, user will be able to change the values specified by admin in this admin area.