Posted in Quick Tips & Tricks by tux |
1. Wonder why you can’t send email from your linux server?
2. Is your mail server or 3rd party email hosting provider requires authentication for your outgoing server to send out emails successfully?
3. Are you using a default sendmail email client on your linux box and wonder why your getting maillog errors such as this:
——-sample sendmail maillog error from my nagios server—————
Oct 2 17:03:54 nms sendmail[25657]: n9293qiw025655: to=<nagios@freelinuxtutorials.com>,
ctladdr=<root@nms.freelinuxtutorials.com> (0/0), dela0928, relay=smtp.freelinuxtutorials.com.
[216.200.145.17], dsn=5.1.1, stat=User unknown
Oct 2 17:03:54 nms sendmail[25657]: n9293qiw025655: n9293siw025657: DSN: User unknown
Oct 2 17:03:54 nms sendmail[25657]: n9293siw025657: to=<root@nms.freelinuxtutorials.com>,
This is a preview of
Configure Sendmail for SMTP Authentication
.
Read the full post (644 words, estimated 2:35 mins reading time)
Posted in Tutorials by tux |
I. Introduction
This document will discuss installation and configurations how-to on setting up POP3 using Dovecot (www.dovecot.org), SMTP using Sendmail (www.sendmail.org), Email Security System using MailScanner (www.mailscanner.info) and a Web-based front-end to MailScanner using Mailwatch (mailwatch.sourceforge.net)
II. Planning the Installation
System Requirements:
a. Linux Operating System (Kernel 2.2 and later)
b. Apache Web Server
c. Perl and perl modules
d. GCC
e. MySQL
f. Vi editor
g. PHP (w/ MySQL & GD Support)
h. DBD
i. DBD-MySQL
j. wget
k. unzip/unrar
l. Dovecot
m. Sendmail
n. MailScanner/ClamAV/SpamAssassin
o. Mailwatch
This is a preview of
Major Tutorial on Mail Server Setup: POP3 Dovecot, SMTP Sendmail, Mail Security thru MailScanner, Mailwatch Front-end
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Read the full post (10420 words, estimated 41:41 mins reading time)
Posted in Tutorials by tux |
MailWatch for MailScanner is a web-based front-end to MailScanner and features include displays of inbound/outbound mail queue size, load Average and today’s totals for messages, spam, viruses and blocked content on each page header, Quarantine management allows you to release, delete or run sa-learn across any quarantined messages etc.
Tested on CentOS 4.4, MailScanner ver. 4.57.6, Sendmail-8.13
Requirements:
a. Working MailScanner setup
b. MySQL
c. Apache
d. PHP (w/ MySQL and GD Support)
e. Perl
f. DBD
g. DBD-MySQL
This is a preview of
Installation and Configuration of Mailwatch for MailScanner
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Read the full post (707 words, estimated 2:50 mins reading time)
