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There are 2 types of virtual hosting implemented in this server:
- IP based virtual hosting: read spop3d(5).conf manual for details.
- non-IP based virtual hosting: user is logged as username@host.name.com
or username%host.name.com if POP3 client doesn't allow to use '@'
in username. host.name.com is called "virtual domain name".
Virtual hosting is available only if you support for configuration file
is compiled in (./configure --enable-configfile). If you want to have support
for non-IP based virtual hosting, run ./configure with --enable-nonip option.
Configuration file is parsed before authentication state (VirtualHosts blocks
with right IP address are parsed). If in authentication state user specifies
virtual domain name (username%host.name.com) and non-IP based virtual hosting
is allowed (AllowNonIP option), configuration is parsed second
time (VirtualHosts blocks with right virtual domain name are parsed too).
User names mapping:
User names mapping file contains username:maptousername pairs.
Each pair in separate line. Example (stupid):
jurek:jurekb
balamut:jurekb
ktostam:jakis
You can enable user names mapping through DoMapping option.
You can use user name and mapped user name in MailDropName option (and others
too). Example (non-IP and based virtual hosting, user names mapping):
/usr/local/etc/spop3d.conf:
<Global>
AllowNonIP true
</Global>
<VirtualHost 192.168.1.1 jakis.tam.host.w.pl>
MailDropName /var/mail/%m-%s
MailDropType mailbox
AllowNonIP false
DoMapping true
MapUserFile /usr/local/etc/pop3/mapped.users
</VirtualHost>
/usr/local/etc/pop3/mapped.users:
jurek:jurekb
balamut:jurekb
ktostam:jakis
If you are connected to 192.168.1.1, you can't use non-IP based virtual hosting
(AllowNonIP false), but if you are connected to other adress, you can
specify virtual domain name. For example: if you log in as
balamut%jakis.tam.host.w.pl, maildrop name will be /var/mail/jurekb-balamut
If you connect to 192.168.1.1, and log in as balamut, maildrop name will be
/var/mail/jurekb-balamut too.
Some options (APOPServerName) have no effect in non-IP based virtual hosting,
because they are parsed after authentication state.
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