How to secure my e-mail

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Discover How To Secure My E-Mail HOWTOs

How to Configure Postfix Mail Server on Debian

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Email remains a vital communication tool for both personal and business domains. Having your own mail server not only gives you control but also enhances the security and privacy of your communications. One of the popular mail servers is Postfix, known for its flexibility, reliability, and ease of configuration.

Build Your Own Email Server on Ubuntu: Basic Postfix Setup

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Why run your own email server? Perhaps you have a website, which needs to send emails to users, or maybe you want to store your emails on your own server to protect your privacy. However, building your own email server can be a pain in the butt because there are so many software components you need to install and configure properly. To make this journey easy for you, I’m creating a tutorial series on how to build your own email server on Ubuntu.

Verify Your Email Security With tcpdump

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I confess, I'm an outlaw at heart. I like using packet sniffers like tcpdump because it satisfies my base snooping impulses. Packet-sniffing is wiretapping after all, only it's applied to TCP/IP packets, not voice transmissions. Sure, they're my packets on my systems, but still the idea is appealing. Did you know that you can use tcpdump to verify that encryption on your POP email server is working? Find out how in this informative tutorial from Carla Schroder.

Configure Custom Postfix Bounce Messages

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In the event that a message is wrong, a sender isn't real or any number of other problems, dealing with bounced messages is a pretty important part of email servers... If you're using Postfix for your email needs... This guide shows how to configure custom Postfix bounce messages.

OS Tool of the Month: GnuPG Setup Guide

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Do you use Windows? Do you want to use GnuPG? Are you new to GnuPG in a windows environment? Then look no further! This document was written for new users who have never installed or used GnuPG before and have not perhaps done any reading but just wish to "dive right in and get started" using signing and encryption. If this is the case, please take your time to read through the whole document first skipping the update instructions (which make up significant portions of the document now). Be sure that you are comfortable with all the terms etc. before doing anything!

Make Spam Assassin Do your Bidding

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Are you using SpamAssassin, but the rulesets you currently have aren't seeming to do the trick? This article explains how you can download additional SpamAssassin rulesets resp. automatically update these rulesets with a shell scripts called RulesDuJour. These additional rulesets can increase your spam recognition rate dramatically.

ASSP With Embedded ClamAV Integrated Into Postfix With Virtual Users And Domains

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This HOWTO, from Howtoforge.com provides a great look into how to leverage the best defense against spam on your mail server. Great overview with setp by step instructions: This document describes how to integrate ASSP (Anti-Spam SMTP Proxy) with embedded ClamAV into a mail server based on Postfix featuring virtual users and domains, i.e. users and domains that are in a MySQL database.

Full Mail Server Solution w/ Virtual Domains & Users

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HOWTOForge is a great place to pick up some great guides on setting up your server. Here: This guide describes how to set up a full email solution in Debian Linux (all code is from Debian Etch). I was asked to design a secure, scalable, portable solution for a small company. He goes through every stage, from soup to nuts, of all the issues and steps involved in getting your mail up to the level you want it at.

Qmail-Scanner and ClamAV HowTo

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This HOWTO describes how to integrate ClamAV, an anti-virus attachment scanner and Qmail-Scanner, an anti-virus message content scanner, with an existing installation of a qmail email server.