01-28-2009
How to allow roaming client to send mails via its mail server
Hi folks
OS- Debian Etch
Xen
postfix
courier
perdition
perdition-mysql
MySQL
Single public IP
Dom0 - Debian Etch workstation
Server-1, domU1 for routing with perdition and perdition-mysql
installed
Server-2, domU2, mail server for domain-A
Server-3, domU3, mail server for domain-B
etc.
This is server virtualization for testing. The whole system is working
nicely. Mails of domain-A are delivered to Server-2, mails of domain-B
delivered to Server-3, etc. Roaming clients can login their servers to
download mails. But they can't send mails via their server.
Please advise how to configure perdition allowing roaming clients to
send mails via their server. OR I have to use another solution? TIA
B.R.
satimis
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LEARN ABOUT DEBIAN
makepercentrelay
MAKEPERCENTRELAY(8) Double Precision, Inc. MAKEPERCENTRELAY(8)
NAME
makepercentrelay - Build a list of %-relayed domains
SYNOPSIS
makepercentrelay
DESCRIPTION
makepercentrelay reads /etc/courier/esmtppercentrelay.dir and creates /etc/courier/esmtppercentrelay.dat which is a binary database file.
The files /etc/courier/esmtppercentrelay and /etc/courier/esmtppercentrelay.dat specify a list of "percent-hack" domains.
/etc/courier/esmtppercentrelay is a plain text file, containing one domain per line. The Courier mail server loads the contents of
/etc/courier/esmtppercentrelay into memory, so if you have a lot of domains, you will want to use the binary database file. The
makepercentrelay command reads /etc/courier/esmtppercentrelay.dir, which can be either a plain text file itself, or a directory containing
plain text files. All files in the subdirectory are concatenated, and the binary database file is created from the result.
the Courier mail server can use both /etc/courier/esmtppercentrelay and /etc/courier/esmtppercentrelay.dat at the same time. Usually you
would put a couple of your most frequent domains in /etc/courier/esmtppercentrelay, then put the rest in
/etc/courier/esmtppercentrelay.dir, and use makepercentrelay to turn it into a database file.
"percent-hack" domains are a list of domains for which the Courier mail server accepts mail via ESMTP addressed as
"local%percent.hack.domain@local.domain", where "percent.hack.domain" is a domain found in /etc/courier/esmtppercentrelay or
/etc/courier/esmtppercentrelay.dat, and "local.domain" is any domain found in /etc/courier/locals. The Courier mail server removes the
local domain, and rewrites the address as "local@percent.hack.domain", then attempts to deliver it.
The percent hack applies only to mail received via ESMTP. The Courier mail server does not check this list of domains if the message is
received via any other way (such as by running /usr/bin/sendmail directly from the command line). "percent.hack.domain" would likely to be
a domain that the Courier mail server knows how to handle via some other means. It might be an entry in /etc/courier/aliases, or an entry
in /etc/courier/esmtproutes.
SEE ALSO
esmtpd(8)[1], makealiases(8)[2].
AUTHOR
Sam Varshavchik
Author
NOTES
1. esmtpd(8)
[set $man.base.url.for.relative.links]/esmtpd.html
2. makealiases(8)
[set $man.base.url.for.relative.links]/makealiases.html
Courier Mail Server 08/30/2011 MAKEPERCENTRELAY(8)