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Faking IMAP for Exchange Email

Using DavMail to add IMAP, SMTP, and CalDav access to Exchange WebMail Servers. Works with Thunderbird and Windows Live clients.

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Categorised as Electronic Mail Tagged email, Exchange, IMAP, SMTP, windows

Providing IPv6 DNS resolver data with radvd

How to provide DNS server addresses to IPv6 clients using Router Announcements.

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Categorised as System Administration Tagged debian, dns, ipv6, openwrt, ubuntu

Detecting Email Server Forgery

Verification methods for incoming SMTP connections with statistics. How to validate your server, and block Spambots.

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Categorised as Electronic Mail Tagged email, spam, SPF

Securing your Email Reputation with SPF

SPF (Server Policy Framework) is a simple means to limit the ability of others to forge your identity in email. I first implemented it after a forged identity under my domain was used to send Spam. Once SPF was configured,  the bounce messages quickly dropped off. Although not as frequently implemented as sender address checks, SPF… Continue reading Securing your Email Reputation with SPF

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Categorised as Electronic Mail Tagged dns, email, SPF

Setting Up BackupPC on Windows

Back up Windows PCs and Laptops using BackuPC. Includes installing rsycnd on Windows.

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Categorised as System Administration Tagged backup, ubuntu, windows

Setting Up BackupPC on Ubuntu

Set up a BackupPC Server on Ubuntu. Includes configuration of Linux and OpenWrt clients using rsyncd.

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Categorised as System Administration Tagged backup, ubuntu

Email Logins for Dovecot and Exim

Configuring a common login for Dovecot IMAP(s) and Exim SMTP. Also Exim Submission port and TLS (SSL) configuration.

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Categorised as Electronic Mail Tagged authentication, dovecot, email, exim, SMTP, submission, ubuntu

Implementing IPv6 Part 2

Replacing 6to4 tunnel with 6in4. IPv6 enabling Bind, Exim, SPF, Squid, and updating Databases containing IP addresses.

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Categorised as System Administration Tagged bind, dns, exim, ipv6, openwrt, radvd, SPF, squid, ubuntu

Blocking Spam with Exim

Spam blocking techniques for Exim. Uses delays to cause Spambots to fail. Notes on bulk and automated mail servers.

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Categorised as Electronic Mail Tagged debian, email, exim, greylist, ubuntu

Email Policy

SysteMajik’s policy for incoming and outgoing e-mail. How we allow external users authenticated access to send e-mail.

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Categorised as Electronic Mail, Policies Tagged email, greylist, policy

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