Red Hat Postfix FAQ
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Chapter 3. Installation & Initial Configuration Issues

Table of Contents
3.1 Where can I get RPMs for Postfix?
3.2 I downloaded the RPM, but it doesn't install. I get an error about failed dependencies.
3.3 Okay... it's installed. Now what do I do?
3.4 What happened to my aliases file?
3.5 I run majordomo and I had all of my aliases in /etc/mail/majordomo. What do I do now?
3.6 What mail delivery agent (MDA) does Postfix use?
3.7 How can I secure Postfix so it won't answer verify requests?
3.8 I have several virtual domains on my existing sendmail setup. How do I enable virtual hosting with Postfix?
3.9 With sendmail I would just -HUP sendmail or use the initscript to restart it after I'd made configuration changes. What's the equivalent to this with Postfix?
3.10 With sendmail I could manually flush the queue by issuing a sendmail -q command. What's the equivalent command for Postfix?
3.11 I need to use some map files equivalent to the access file or the mailertable with sendmail. How do I hash them to .db format?
3.12 How do I get Postfix to start up on boot like sendmail did?
3.13 How do I set the queue delay with Postfix?
3.14 How can I use Postfix from my dial-up machine at home?

3.1 Where can I get RPMs for Postfix?

As of this writing there are several individuals developing RPMs for Postfix. The most compatible versions being developed for Red Hat Linux are developed by Simon Mudd <sjmudd@pobox.com>. They may be acquired at one of the following locations:

http://postfix.WL0.org, or ftp://ftp.WL0.org

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Preface 3.2 I downloaded the RPM, but it doesn't install. I get an error about failed dependencies.