IMAP Server

Incoming IMAP Connections

Enable IMAP server Require Encryption (STARTTLS)

Listen on: ALL IP ADDRESSES (Uncheck "ALL IP ADDRESSES" to check individual interfaces.)

Listen only on the following ip addresses:

127.0.0.1 192.168.1.5 203.211.130.180

Enable IMAP-SSL server

Listen on: ALL IP ADDRESSES (Uncheck "ALL IP ADDRESSES" to check individual interfaces.)

Listen only on the following ip addresses:

127.0.0.1 192.168.1.5 203.211.130.180

Maximum number of all connections accepted.

Maximum number of connections from one IP address.

Logging:

IMAP and POP3 share the same logging service, so changing it here changes it for the other service as well.