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Top Forums UNIX for Dummies Questions & Answers What does it takes to Build a Mail Server? Post 302785429 by DGPickett on Monday 25th of March 2013 03:31:37 PM
Old 03-25-2013
Many ISPs provide an outgoing SMTP mail server, which you can chain to rather than working the DNS chain down to the right hosts and doing dialog for mail delivery. However, if nothing is relayed, then any mail server SW can deliver. Now, incoming mail can be in traditional mailboxes, but usually the mail is stored and delivered via IMAP or POP servers. If you are designing for large amounts of mail flow, large amounts of storage or huge numbers of users, there are optimizations for each of those to reduce their impact.
 

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ROUNDUP-MAILGW(1)					      General Commands Manual						 ROUNDUP-MAILGW(1)

NAME
roundup-mailgw - mail gateway for roundup SYNOPSIS
roundup-mailgw instance_home [method] OPTIONS
-v Print version and exit. -C hyperdb class specify a tracker class - one of msg (the default), issue, file, user - to manipulate with -S options -S property=value[;property=value] pairs specify the values to set on the class specified by -C using the same format as the Subject line property manipulations DESCRIPTION
The roundup mail gateway may be called in one of three ways: o with an instance home as the only argument, o with both an instance home and a mail spool file, or o with both an instance home and a pop server account. PIPE In the first case, the mail gateway reads a single message from the standard input and submits the message to the roundup.mailgw module. UNIX mailbox In the second case, the gateway reads all messages from the mail spool file and submits each in turn to the roundup.mailgw module. The file is emptied once all messages have been successfully handled. The file is specified as: mailbox /path/to/mailbox In all of the following the username and password can be stored in a ~/.netrc file. In this case only the server name need be specified on the command-line. The username and/or password will be prompted for if not supplied on the command-line or in ~/.netrc. POP In the third case, the gateway reads all messages from the POP server specified and submits each in turn to the roundup.mailgw module. The server is specified as: pop username:password@server The username and password may be omitted: pop username@server pop server are both valid. The username and/or password will be prompted for if not supplied on the command-line. APOP Same as POP, but using Authenticated POP: apop username:password@server IMAP Connect to an IMAP server. This supports the same notation as that of POP mail. imap username:password@server It also allows you to specify a specific mailbox other than INBOX using this format: imap username:password@server mailbox IMAPS Connect to an IMAP server over ssl. This supports the same notation as IMAP. imaps username:password@server [mailbox] AUTHOR
This manpage was written by Bastian Kleineidam <calvin@debian.org> for the Debian distribution of roundup. The main author of roundup is Richard Jones <richard@users.sourceforge.net>. 24 January 2003 ROUNDUP-MAILGW(1)
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