Watchguard Firebox X1000, User Manual

Page: 161 / 314

Configuring an SMTP Proxy Service
User Guide 139
3
Click Incoming .
The Incoming SMTP Proxy dialog box appears, displaying the
General tab.
4 Modify properties on the General tab according to
your preferences.
For a description of each control, right-click it, and then select
What’s This?. You can also refer to the “Field Definitions”
chapter in the Reference Guide.
Configuring ESMTP
ESMTP (Extended Simple Mail Transfer Protocol) provides
extensions to SMTP for sending email that supports graph-
ics, audio and video files, and text in various foreign lan-
guages. You use the
ESMTP tab on the Incoming SMTP
Proxy dialog box to specify support for ESMTP extensions
(keywords) and for entering AUTH types, which specify
various ways of authenticating to the SMTP server.
From the
Incoming SMTP Proxy Properties
dialog box:
1 Click the ESMTP tab.
The ESTMP information appears, as shown in the following
figure.
2
Enable the extensions (keywords) you want by
selecting their associated checkboxes.
3 Use the text box provided to enter AUTH types. Click
Add .
All AUTH types are supported; DIGEST-MD5, CRAM-MD5,
PLAIN, and LOGIN are provided as defaults.