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Content Tagged with MTA + sysadmin

Howto: ISP-style Email Server with Debian-Etch and Postfix 2.3

Howto: ISP-style Email Server with Debian-Etch and Postfix

Dovecot: del.icio.us/tag/dovecot

Howto: ISP-style Email Server with Debian-Etch and Postfix 2.3

Howto: ISP-style Email Server with Debian-Etch and Postfix

amavis: del.icio.us/tag/amavis

Tutorial: ISP-style Email Service with Debian-Sarge and Postfix 2.1

You have probably already seen web hosters who allow you to rent domains and receive email on these domains. Have you ever wondered how they actually handle these thousands of domains? There is surely nobody entering all these domains and aliases into a

Postfix: del.icio.us/tag/postfix

Serverbased E-mail Security - SarWiki

Im folgenden wird Schritt für Schritt der Aufbau eines aktuell modernen (möglichst) sicheren Mailservers auf Basis von OpenSuSE 10 beschrieben. Bei Verdopplung des hier beschriebenen Systems und entsprechender Konfigurationsanpassung auf eine 2. Domain

Postfix: del.icio.us/tag/postfix

The Postfix Home Page

What is Postfix? It is Wietse Venema's mailer that started life as an alternative to the widely-used Sendmail program. -=- Postfix attempts to be fast, easy to administer, and secure, while at the same time being sendmail compatible enough to not upset e

Postfix: del.icio.us/tag/postfix

Postfix Per-Client/User/etc. Access Control

This is how we make sure that our users can't send personal e-mails or do trojan horses to outside e-mail accounts

Postfix: del.icio.us/tag/postfix

Study Report of an Anti-spam System with a 99% Block Rate -- The Selective SMTP Rejection (S25R) System --

Some interesting ideas about blocking dialup, cable and dsl users by matching on their IP/hostname. Probably best to combine this method with selective greylisting. Examples: m500.union01.nj.comcast.net d5.GtokyoFL27.vectant.ne.jp Regular e

Postfix: del.icio.us/tag/postfix

Postfix Backscatter Howto

When a spammer or worm sends mail with forged sender addresses, innocent sites are flooded with undeliverable mail notifications. This is called backscatter mail, and if your system is flooded then you will find out soon enough.

Postfix: del.icio.us/tag/postfix

Debian Administration :: Greylisting with Postfix (and other antispam stuff).

The postgrey package is a greylisting implementation for postfix. It is a breeze to set-up and stopped 99.99% of my spam in conjunction with blacklisting.

Postfix: del.icio.us/tag/postfix

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