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I normally don't use postfix since it is a bit of a pain. &nbsp;Have you thought about using qmail? &nbsp;The qmailrocks tutorial, while long and a bit incomplete, leads to a very robust mail system.<br />
<br />
<a href="http://qmailrocks.org/" rel="ugc">http://qmailrocks.org/</a>
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I normally don't use postfix since it is a bit of a pain.  Have you thought about using qmail?  The qmailrocks tutorial, while long and a bit incomplete, leads to a very robust mail system.

http://qmailrocks.org/ [http://qmailrocks.org/]

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Dear SIr/Madam:<br />
<br />
I am having redhat enterprise linux version 5 working as a mailserver with POSTFIX , dovecot &nbsp;mailscanner and spamassasin but now the requirement is for virtual users and domains hence uninstalled the postfix and installed the source postfix with mysql enable , to implement virtual users i got an how to docs from the link :<a href="http://wiki.dovecot.org/HowTo/DovecotLDAPostfixAdminMySQL" rel="ugc">http://wiki.dovecot.org/HowTo/DovecotLDAPostfixAdminMySQL</a>.<br />
as per the above article downloaded postfixadmin-2.2.1.1 but the DATABASE_MYSQL.TXT is not available in the postfixadmin-2.2.1.1 without this i am not able to proceed as per the above article , please help on this so that i can work as per the article , thanks in advance.
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Dear SIr/Madam:

I am having redhat enterprise linux version 5 working as a mailserver with POSTFIX , dovecot  mailscanner and spamassasin but now the requirement is for virtual users and domains hence uninstalled the postfix and installed the source postfix with mysql enable , to implement virtual users i got an how to docs from the link :http://wiki.dovecot.org/HowTo/DovecotLDAPostfixAdminMySQL.
as per the above article downloaded postfixadmin-2.2.1.1 but the DATABASE_MYSQL.TXT is not available in the postfixadmin-2.2.1.1 without this i am not able to proceed as per the above article , please help on this so that i can work as per the article , thanks in advance.

postfixadmin mysql dovecot and postfix

Interactions between email servers and clients are governed by email protocols. The three most common email protocols are POP, IMAP and MAPI. Most email software operates under one of these (and many products support more than one).  The correct protocol must be selected, and correctly configured, if you want your email account to work.

Email Protocols

MySQL is an open source, relational database management system that runs as a server providing multi-user access to a number of databases. Acquired by Oracle in 2009, it is frequently used in combination with PHP installations, powering most of the WordPress installations.

MySQL Server

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.