Internet Express for Tru64 UNIX Version 6.8 Administration Guide (14233)

3. On the Configure Sendmail Server menu, make sure that Server is selected and click on
Configure.
4. From the Configure Sendmail Server menu, choose Enable/Disable Procmail.
5. On the Enable/Disable Procmail form, if Procmail is not currently enabled, click on Enable.
Otherwise, click on Disable.
The Administration utility displays a message confirming that the configuration has been changed,
and indicates that the Sendmail server has been restarted. Use the navigation bar to return to
the Configure SMTP Server menu.
5.1.4.5 Enabling Anti-Virus
Clam AntiVirus is an anti-virus toolkit for UNIX, designed for e-mail scanning on mail gateways.
It provides a flexible and scalable multi-threaded daemon for e-mail scanning. Clam AV is
licensed under the GNU General Public Licence and it is POSIX compliant, and portable. It detects
viruses, worms and trojans and scans within archives and compressed files.
Amavisd-new is a high-performance interface between mailer (MTA) and content checkers: virus
scanners. Amavisd-new is Perl component ensuring high reliability, portability and
maintainability. Amavisd-new uses several external programs and Perl modules for its operation.
If there are any security vulnerabilities in them, the entire setup could be affected.
To enable Clam AV and Amavisd-new, follow these steps:
1. Under Mail on the Manage Components menu, choose Sendmail Server.
2. From the Sendmail Server Administration menu, choose Configure Sendmail Server.
3. On the Configure Sendmail Server menu, make sure that Server is selected and click on
Configure.
4. From the Configure Sendmail Server menu, choose Enable/Disable Clamav and Amavis.
5. On the Enable/Disable form, if Clamav and Amavis are not currently enabled, click on
Enable. Otherwise, click on Disable.
5.1.4.6 Configuring Anti-Spam
The Administration utility allows you to configure the following features of Sendmail to prevent
mail from spam sites (also called unsolicited bulk e-mail) from reaching your system:
• Configure relaying (see Section 5.1.4.6.1: Configuring Relaying)
• Configure access database (see Section 5.1.4.6.2: Configuring the Access Database)
• Configure checking on sender's information (see Section 5.1.4.6.3: Configuring Checking on
Sender's Information)
5.1.4.6.1 Configuring Relaying
By default, your Sendmail server configuration does not relay messages from a site outside your
domain to another site outside your domain. To remove this restriction, or to control the relaying
of mail messages on your SMTP server to and from specific domains, follow these steps:
1. Under Mail on the Manage Components menu, choose Sendmail Server.
2. From the Sendmail Server Administration menu, choose Configure Sendmail Server.
3. On the Configure Sendmail Server menu, make sure that Server is selected and click on
Configure.
4. From the Configure Sendmail Server menu, choose Configure Anti-Spam.
5. From the Configure Anti-Spam menu, choose Configure Relaying.
The Configure Relaying page lets you set the following relaying options:
106 Mail Delivery Administration