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Articles on the Kerio® Products I sell and support: Mail Servers, Security Firewalls, VOIP Management and Collaboration.

Linux and Unix administration and troubleshooting articles, help and inspiration for freelancers and the self employed, advice on blogging, SEO and earning money on-line.

There is a lot of SCO Unix information here also.

Not a significant source of information concerning Microsoft products. Primary author is an opinionated Mac OS X and Linux Evangelist.

Three low-cost e-books may be purchased as a supplement to this website.

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May contain liberal opinion, small dashes of politics and some crankiness as well as the occasional grin. Contains Skill Tests, Unix and Linux Consultant Listings, Book reviews and more.

This site is not recommended for total n00bies or real gurus. N00bies may be overwhelmed and true gurus will be bored.

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Most recent posts:

Don't make this mistake in your firewall rules

A name is not a rule, and other things you need to understand about url filtering in Kerio Control ..

Control 2013-05-17 Tony Lawrence

Instant Messaging in Kerio Connect

At first I thought adding Instant Messaging to a mail server was utterly pointless. However, it really isn't. ..

Connect 2013-05-01 Tony Lawrence

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Learning Spanish with a little help from Perl

A little Perl script helps me refresh my Spanish knowledge. ..

Perl 2013-04-16 Tony Lawrence

Attachment filtering vs. Custom Spamassassin rules

Kerio Connect's attachment filtering is all or nothing: you can't whitelist senders to allow them to send while blocking others. Can we get around that? ..

Connect 2013-03-17 Tony Lawrence

Important licensing changes in Kerio Connect for mobile users

Mobile Kerio Connect users may be affected by an upcoming licensing change that becomes effective for Kerio Connect Renewals beginning May 1st, 2013. ..

Connect 2013-03-06 Tony Lawrence

Checking DNS Black List Usage on Kerio Connect

Examining blacklist usage can help you fine-tune your spam fighting tools on Kerio Connect. ..

Kerio 2013-03-01 Tony Lawrence

Operator CDR records

Sending Operator CDR data to an auditing machine ..

Kerio 2013-02-25 Tony Lawrence

Transferring a Kerio Connect Server with rsync

One particular advantage of using rsync is that you can transfer most of the data without shutting down your existing server. ..

Kerio 2013-03-08 Tony Lawrence

Group Voicemail in Kerio Operator

How to enable group voicemail when using Connect/Operator Integration ..

Kerio 2013-02-20 Tony Lawrence

Kerio Samepage - Concerns and Promise

Why Kerio has replaced Workspace with Samepage and why it matters ..

Kerio 2013-02-18 Tony Lawrence

Disaster Planning for Kerio Connect Mail Server

What can you do to ensure email continuity in the event of a disaster? ..

Kerio 2013-02-08 Tony Lawrence

Transferring from Kerio Connect to another mail server

While I never like losing a customer, sometimes people want to move away from Kerio Connect. That's not hard to do. ..

Kerio 2012-12-23 Tony Lawrence

Connect delete bug

This is an unusual bug in the Kerio Connect 8 Web Client that few users are likely to see. ..

Kerio 2012-12-05 Tony Lawrence

Kerio Control with multiple Internet Interfaces

If you have more than one Internet connection, Kerio Control can configure and use these in different ways. Learn how here. ..

Kerio 2012-11-30 Tony Lawrence

Archiving mailboxes

Archiving mailboxes for better performance or to save server space; Outlook Auto Archive details ..

Kerio 2012-12-04 Tony Lawrence

Unix and Linux Help, Resources and information for Unix/Linux, Mac OS X. Articles on blogging, web site mechanics, and self employment. Thousands of articles, reviews, consultants listings, skills tests, opinion, how-to's, suggestions and more. There is new content frequently, most of it exclusive to this site, and all of it is indexed and cross-referenced to help you find what you need. This is not yet another mirror of the Linux LDP or someone else's Unix FAQs. If you've never been here before, there's a lot to explore.

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