tab and trailing space strip. Convert Id -> Cambridge

[exim-website.git] / intro.html

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+++ b/intro.html
@@ -9,7 +9,7 @@
     <center>
       <img src="images/exim-blue-ld.png" alt="[big logo]">
     </center>
     <center>
       <img src="images/exim-blue-ld.png" alt="[big logo]">
     </center>

-    <h1>Introduction to exim</h1> 
+    <h1>Introduction to exim</h1>

 
     <p>Exim is a message transfer agent (<b>MTA</b>) developed at the
     University of Cambridge for use on Unix systems connected to the
 
     <p>Exim is a message transfer agent (<b>MTA</b>) developed at the
     University of Cambridge for use on Unix systems connected to the


@@ -31,206 +31,206 @@
     <h2>Basic Features</h2>
     <ul>
       <li>
     <h2>Basic Features</h2>
     <ul>
       <li>

-       Many configuration options can be given as expansion strings,
-       and as these can include file lookups, much of Exim's
-       operation can be made table-driven if desired.  For example,
-       it is possible to do local delivery on a machine on which the
-       users do not have accounts.
+ Many configuration options can be given as expansion strings,
+ and as these can include file lookups, much of Exim's
+ operation can be made table-driven if desired.  For example,
+ it is possible to do local delivery on a machine on which the
+ users do not have accounts.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Regular expressions are available in a number of configuration
-       parameters.
+ Regular expressions are available in a number of configuration
+ parameters.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Domain lists can include file lookups, making it possible to
-       support a large number of local domains.
+ Domain lists can include file lookups, making it possible to
+ support a large number of local domains.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       The maximum size of message can be specified.
+ The maximum size of message can be specified.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Exim can handle a number of independent local domains on the
-       same machine; each domain can have its own alias files,
-       etc. These are commonly called <b>virtual domains</b>.
+ Exim can handle a number of independent local domains on the
+ same machine; each domain can have its own alias files,
+ etc. These are commonly called <b>virtual domains</b>.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Exim contains an optional built-in mail filtering
-       facility. This enables users to set up their own mail
-       filtering in a straightforward manner without the need to run
-       an external program. There can also be a system filter file
-       that applies to all messages.
+ Exim contains an optional built-in mail filtering
+ facility. This enables users to set up their own mail
+ filtering in a straightforward manner without the need to run
+ an external program. There can also be a system filter file
+ that applies to all messages.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Periodic warnings are automatically sent to messages' senders
-       when delivery is delayed -- the time between warnings is
-       configurable.
+ Periodic warnings are automatically sent to messages' senders
+ when delivery is delayed -- the time between warnings is
+ configurable.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       A queue run can be manually started to deliver just a
-       particular portion of the queue, or those messages with a
-       recipient whose address contains a given string.
+ A queue run can be manually started to deliver just a
+ particular portion of the queue, or those messages with a
+ recipient whose address contains a given string.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Exim can be configured to run as root all the time, except
-       when performing local deliveries, which it always does in a
-       separate process under an appropriate uid and
-       gid. Alternatively, it can be configured to run as root only
-       when needed; in particular, it need not run as root when
-       receiving incoming messages or when sending out messages over
-       SMTP.
+ Exim can be configured to run as root all the time, except
+ when performing local deliveries, which it always does in a
+ separate process under an appropriate uid and
+ gid. Alternatively, it can be configured to run as root only
+ when needed; in particular, it need not run as root when
+ receiving incoming messages or when sending out messages over
+ SMTP.

       </li>
       <!-- -->
     </ul>
     <h2>Incoming SMTP</h2>
     <ul>
       <li>
       </li>
       <!-- -->
     </ul>
     <h2>Incoming SMTP</h2>
     <ul>
       <li>

-       SMTP calls from specific machines, optionally from specific
-       idents, can be locked out, and incoming SMTP messages from
-       specific senders can also be locked out.
+ SMTP calls from specific machines, optionally from specific
+ idents, can be locked out, and incoming SMTP messages from
+ specific senders can also be locked out.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Messages on the queue can be `frozen' and `thawed' by the
-       administrator.
+ Messages on the queue can be `frozen' and `thawed' by the
+ administrator.

       </li>
       <!-- -->
     </ul>
     <h2>Outgoing SMTP</h2>
     <ul>
       <li>
       </li>
       <!-- -->
     </ul>
     <h2>Outgoing SMTP</h2>
     <ul>
       <li>

-       Exim can perform multiple deliveries down the same SMTP
-       channel after deliveries to a host have been delayed.
+ Exim can perform multiple deliveries down the same SMTP
+ channel after deliveries to a host have been delayed.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Exim can be configured to do local deliveries immediately but
-       to leave remote deliveries until the message is picked up by a
-       queue-runner process. This increases the likelihood of
-       multiple messages being sent down a single SMTP connection.
+ Exim can be configured to do local deliveries immediately but
+ to leave remote deliveries until the message is picked up by a
+ queue-runner process. This increases the likelihood of
+ multiple messages being sent down a single SMTP connection.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       When copies of a message have to be delivered to more than one
-       remote host, up to a configured maximum number of remote
-       deliveries can be done in parallel.
+ When copies of a message have to be delivered to more than one
+ remote host, up to a configured maximum number of remote
+ deliveries can be done in parallel.

       </li>
       <!-- -->
     </ul>
     <h2>Local Deliveries</h2>
     <ul>
       <li>
       </li>
       <!-- -->
     </ul>
     <h2>Local Deliveries</h2>
     <ul>
       <li>

-       Exim stats a user's home directory before looking for a
-       `<tt>.forward</tt>' file, in order to detect the case of a
-       missing NFS mount.
+ Exim stats a user's home directory before looking for a
+ `<tt>.forward</tt>' file, in order to detect the case of a
+ missing NFS mount.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       There is support for multiple user mailboxes controlled by
-       prefixes or suffixes on the user name, either via the
-       <i>filter</i> mechanism or through multiple
-       `<tt>.forward</tt>' files.
+ There is support for multiple user mailboxes controlled by
+ prefixes or suffixes on the user name, either via the
+ <i>filter</i> mechanism or through multiple
+ `<tt>.forward</tt>' files.

       </li>
       <!-- -->
     </ul>
     <h2>Monitoring and Performance Tools</h2>
     <ul>
       <li>
       </li>
       <!-- -->
     </ul>
     <h2>Monitoring and Performance Tools</h2>
     <ul>
       <li>

-       The Exim Monitor is an optional extra; it displays information
-       about Exim's processing in an X window, and an administrator
-       can perform a number of control actions from the window
-       interface.
+ The Exim Monitor is an optional extra; it displays information
+ about Exim's processing in an X window, and an administrator
+ can perform a number of control actions from the window
+ interface.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       There are a set of tools for summarising the queue, determining
-       what each exim process is currently doing, examining the
-       deliveries hints databases, and summarising the log files into
-       a concise report on activity.
+ There are a set of tools for summarising the queue, determining
+ what each exim process is currently doing, examining the
+ deliveries hints databases, and summarising the log files into
+ a concise report on activity.

       </li>
       <!-- -->
     </ul>
     <h2>SPAM/UCE/UBE Limitation Features</h2>
     <ul>
       <li>
       </li>
       <!-- -->
     </ul>
     <h2>SPAM/UCE/UBE Limitation Features</h2>
     <ul>
       <li>

-       Senders can be blocked using a variety of methods, including
-       the ability to apply a set of username or regular expression
-       patterns to incoming mail from particular (or all) domains.
+ Senders can be blocked using a variety of methods, including
+ the ability to apply a set of username or regular expression
+ patterns to incoming mail from particular (or all) domains.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       All addresses can be checked for validity during the SMTP
-       transaction thus allowing the elimination of mail from
-       non-existent domains.
+ All addresses can be checked for validity during the SMTP
+ transaction thus allowing the elimination of mail from
+ non-existent domains.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Relaying can be tightly controlled based on sending host,
-       network or sending/recipient domains.
+ Relaying can be tightly controlled based on sending host,
+ network or sending/recipient domains.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       If all else fails the system filter can be used to deal with
-       messages based on arbitrary conditions that you can program in
-       (for example block mail with a particular <tt>X-Mailer:</tt>
-       header.
+ If all else fails the system filter can be used to deal with
+ messages based on arbitrary conditions that you can program in
+ (for example block mail with a particular <tt>X-Mailer:</tt>
+ header.

       </li>
     </ul>
     <h2>Limitations</h2>
     <ul>
       <li>
       </li>
     </ul>
     <h2>Limitations</h2>
     <ul>
       <li>

-       Exim is written in ANSI C. This should not be much of a
-       limitation these days.  However, to help with systems that
-       lack a true ANSI C library, Exim avoids making any use of the
-       value returned by the `<tt>sprintf()</tt>' function, which is
-       one of the main incompatibilities. It has its own version of
-       `<tt>strerror()</tt>' for use with <b>SunOS4</b> and any other
-       system that lacks this function, and a macro can be defined to
-       turn `<tt>memmove()</tt>' into `<tt>bcopy()</tt>' if
-       necessary.
+ Exim is written in ANSI C. This should not be much of a
+ limitation these days.  However, to help with systems that
+ lack a true ANSI C library, Exim avoids making any use of the
+ value returned by the `<tt>sprintf()</tt>' function, which is
+ one of the main incompatibilities. It has its own version of
+ `<tt>strerror()</tt>' for use with <b>SunOS4</b> and any other
+ system that lacks this function, and a macro can be defined to
+ turn `<tt>memmove()</tt>' into `<tt>bcopy()</tt>' if
+ necessary.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-         Exim uses file names that are longer than 14 characters.
-       </li>
+   Exim uses file names that are longer than 14 characters.
+ </li>

       <!-- -->
       <li>
       <!-- -->
       <li>

-       Exim is intended for use as an Internet mailer, and therefore
-       handles addresses in RFC 822 domain format only. It cannot
-       handle <i>bang paths</i>, though simple two-component bang
-       paths can be converted by a straightforward rewriting
-       configuration.
+ Exim is intended for use as an Internet mailer, and therefore
+ handles addresses in RFC 822 domain format only. It cannot
+ handle <i>bang paths</i>, though simple two-component bang
+ paths can be converted by a straightforward rewriting
+ configuration.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       Exim insists that every address it handles has a domain
-       attached. For incoming local messages, domainless addresses
-       are automatically qualified with a configured domain
-       value. Configuration options specify from which remote systems
-       unqualified addresses are acceptable.
+ Exim insists that every address it handles has a domain
+ attached. For incoming local messages, domainless addresses
+ are automatically qualified with a configured domain
+ value. Configuration options specify from which remote systems
+ unqualified addresses are acceptable.

       </li>
       <!-- -->
       <li>
       </li>
       <!-- -->
       <li>

-       The only external transport currently implemented is an SMTP
-       transport over a TCP/IP network (using sockets), suitable for
-       machines on the Internet. However, a pipe transport is
-       available, and there are facilities for writing messages to
-       files in `batched SMTP' format; this can be used to send
-       messages to some other transport mechanism. Batched SMTP input
-       is also catered for.
+ The only external transport currently implemented is an SMTP
+ transport over a TCP/IP network (using sockets), suitable for
+ machines on the Internet. However, a pipe transport is
+ available, and there are facilities for writing messages to
+ files in `batched SMTP' format; this can be used to send
+ messages to some other transport mechanism. Batched SMTP input
+ is also catered for.

       </li>
       <!-- -->
     </ul>
     <hr>
     <address><a href="mailto:Postmaster@exim.org">Nigel Metheringham</a></address>
 <!-- Created: Mon Aug 25 13:21:52 BST 1997 -->
       </li>
       <!-- -->
     </ul>
     <hr>
     <address><a href="mailto:Postmaster@exim.org">Nigel Metheringham</a></address>
 <!-- Created: Mon Aug 25 13:21:52 BST 1997 -->

-    <h4>$Id: intro.html,v 1.2 2000/11/27 11:43:02 nigel Exp $</h4>
+    <h4>$Cambridge$</h4>

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