Archive | January, 2005
January 31, 2005

Irish companies and web standards

Irish companies and web standards

Tom has written an interesting piece on Irish web development companies and web standards
He mentioned our company site on the list which was nice. What he didn’t mention was that a lot of companies charge a premium for developing sites that comply with web standards!! When I was looking into getting Blacknight’s site redone I got about 15 quotes from 15 different companies and individuals. Some quite high profile companies seem to think that they still can charge extra for putting in a form to mail script!! Mention w3c standards and the price starts to climb….
Web Standards Solutions: The Markup and Style Handbook

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January 30, 2005

Google – adwords API

Google – adwords API

Google have released a beta API for the adwords service.
The provide sample code in php, perl, .net and XML, so you can start “playing” around with it.
Full documentation describing the API, its functions and more can be found here
You can gain access to reports, keyword estimates and even create new content directly through the API. Imagine being able to run your adwords campaign directly from your desktop? You could even incorporate it into something like SugarCRM. Now that would be an interesting application.
I’m not a coder, so I’ll have to wait for other people to do interesting things with it, but the possibilities are fascinating.
XML Pocket Reference

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January 27, 2005

More blogs

My sister, who is currently in Australia, now has a blog. It doesn’t have any content yet, but it will be nice to follow her movements from afar :mrgreen:

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January 23, 2005

Installing Ubuntu on Dell latitude laptop

Installing Ubuntu on Dell latitude laptop

I’ve been meaning to try out Ubuntu linux for a while. Everybody seems to have got CDs, so getting my hands on the media wasn’t much of a challenge.
The CD pack comes with 2 CDs:
- live CD
- install CD
As I hadn’t ever tried ubuntu and my cd-rom drive has been known to be tempermental I first gave the live CD a go. It was up and running in a couple of minutes with a gnome desktop of some kind.
I then went ahead with the install from CD ROM.
The installer is quite straightforward and not unlike those I’ve used in the past.
You have your usual set of questions relating to language preferences and location and then you setup your partitions.
Of the install sequence I found the partition tool to be the least intuitive.
My hard disk had a number of existing partitions. One for Windows, which I rarely use, and the others for my current, soon to be previous, install of Debian. The partition tool did not offer me what I would have considered “sane” defaults apart from wiping the entire hard disk.
Editing the partitions once I had got over this minor hiccup was not hard, however I could not get it to accept the mount options on /tmp, as I wanted to mount that with a couple of extra flags.
The network configuration during the install sequence was extremely easy.
It detected my Cisco aironet immediately and then tried to work out my IP address using DHCP. As I don’t use DHCP and there is no DHCP server available it soon gave up and asked me to configure the network manually. All I needed to do was feed it the IP and subnet mask and it worked out the gateway. Pretty simple.
You also need to give it one DNS IP address.
Previous experience with Debian had taught me that I could get a base install up and running in a few minutes. However the base install would be virtually useless, as you would be “dropped” at a shell with no windows manager and nothing but the absolute minimum of tools installed. You would then have to go off and feed apt a list of all the packages and dummy packages that you wanted it to install, which meant waiting at least another hour (depending on connection speeds) while it downloaded all the necessary stuff.
Not so on Ubuntu.
After going through the initial setup it asked me (politely) to remove any media and rebooted. As soon as the reboot was more or less complete it recommended that I check for updates and proceeded to downloads patches and updates for its base system.
By comparison with the Debian concept of a base system the Ubuntu one is extremely advanced!
After booting (with update etc applied) I was greeted with a fully functional desktop with my usual set of applications already installed:
- firefox
- evolution
- gaim
- xchat
- open office
and a number of others.
Just to make sure that everything was correctly configured I decided to check my networking settings. It had even managed to work out my laptops full host name! I am impressed.
The Success of Open Source

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January 22, 2005

Sugar CRM 2.5

Sugar CRM 2.5

Sugar CRM 2.5 was released yesterday.
This latest release adds even more functionality to the open source CRM application.
New features include:

  • RSS
  • Portal functions
  • Custom menus
  • Customise areas of the application via the web interface
  • Improved security for shared hosting

The graphs have also been greatly improved.
For users running any previous version of Sugar CRM a database update script is available which you need to run before installing the rest of the application.
I upgraded our install in a couple of minutes.
The C.R.M. Pocketbook (The Pocketbook S.)

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January 17, 2005

Verizon blocks Europe

In what could best be described as “madness” US ISP Verizon has decided to block all of Europe to stop spam.
Full article available here
Thanks Verizon!

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January 17, 2005

Sending bulk email without spamming

Sending bulk email without spamming

If you are going to run a mailing list you need to be very conscious of the problems you face.

At the technical/design level you need to send emails that people will be able to read.

Plain text emails are obviously going to be legible in all email clients, but are not as attractive as HTML ones.

Unfortunately no two email clients are going to render your emails in exactly the same way.

You need to check against the most common email clients and webmail interfaces to get a “feel” for how the final product is going to look.

Bear in mind that just because an email client can display HTML does not mean that you should try to use the same methods as you would when designing a web page.

Do not include any client-side scripting (javascript etc) as this will be blocked by any good system.

Do not include forms, as these will probably be stripped out.

If you ensure that your HTML is valid you are less likely to find your email being blocked by spam filters.

If you are sending from your desktop make sure that your PC’s date and time are correct.

If you are sending from a server make sure that your mails are being sent out by a user ie. Not being sent by nobody@ or apache@

If sending from a server make sure it has reverse DNS setup – lack of a reverse can lead to email being blocked

Make sure that you keep your list clean ie. That you do not generate large numbers of bounces

Make sure that your list conforms to permission based standards:
 ”The difference between senders of legitimate bulk email and spammers couldn’t be clearer, the legitimate bulk email sender has verifiable permission from the recipients before sending, the spammer does not.”

Putting a simple footer in each email explaining not only how to unsubscribe but where the person subscribed from will help avoid issues

Including unsubscribe instructions is NOT enough

Subscribing people to your list without their permission is NOT acceptable

Sending mail to people/companies because you feel that they “may be interested” in your products or services is NOT acceptable

If you have an existing relationship with clients / suppliers or potential clients you may send them email, however you should always make it clear how you got their email address if you do not use some form of subscription confirmation.

If you get reported for spamming it can ruin your business.

References:
http://www.spamhaus.org/mailinglists.html
http://www.spamhaus.org/definition.html
http://www.georgedillon.com/web/html_email_is_evil.shtml

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January 16, 2005

Tired of simple URLs and email addresses?

If you are bored with people being able to actually remember your web address and your email then do not despair!
HugeURL as the name suggests is the complete opposite of tinyurl (et al).
For example:
http://www.mneylon.com/blog is transformed into:

http://www.hugeurl.com/?YWI1NjcxMjcyM2IwZWU5NGZhMGZjMzRlOGQz
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Pure madness!
As for email addresses.. Who really wants an email address that people can actually remember?
You could always opt for a free email from ABCDE
You too could have an email address that nobody can remember:
someuser@abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcdefghijk.com
Full details of the service are available here

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January 15, 2005

Geo specific scoring

For the last couple of months we have been tracking our logs using Vispan with the GeoIP. We can easily see where viruses and spam are coming from and thus draw up a top list of countries. For example, so far this month the top sources of spam have been:

  • United States
  • Korea, Republic of
  • China
  • Ireland
  • United Kingdom

NB A percentage of these emails would have been tagged as spam even though they are actually viruses as some of the DNSBLs and rulesets will pick up on viral emails
A simple solution to the spams from Asia would be to block those countries completely, however that would cause issues as we have clients who trade actively with those countries.
A better solution is to apply some form of weighting to email from certain countries.
We are based in Ireland, so a large proportion of our clients and their contacts are too, so assigning a certain degree of “trust” to Irish IP space would seem to be a logical step. This does not mean that email from Irish IPs is trusted, however we are going to assume that the likelihood of spam coming from an Irish IP is slightly lower than from a non-Irish IP.
We then take the countries that are most problematic, such as Korea and Hong Kong. All email from those countries is considered untrustworthy and weighted appropriately.
The rest of the world is treated equally.
The results of this scoring can be best illustrated by looking at a couple of border line cases:
Jan 14 22:36:54 av MailScanner[29107]: Message j0EMandY027564 from xxx.xxx.xxx.xxx(xxxxx@xxxxx.ie) to xxxxx.ie is not spam , SpamAssassin (score=7.097, required 7.4, HTML_70_80 0.51, HTML_FONTCOLOR_MAGENTA 1.00, HTML_FONTCOLOR_UNSAFE 1.00, HTML_FONTCOLOR_YELLOW 1.00, HTML_MESSAGE 0.10, HTML_MIME_NO_HTML_TAG 1.00, HTML_SHOUTING4 0.50, HTML_TAG_BALANCE_BODY 0.18, HTML_TAG_BALANCE_TABLE 0.19, HTML_TAG_EXISTS_TBODY 0.10, MIME_BASE64_NO_NAME 1.00, MIME_HTML_ONLY 0.10, RCVD_IN_NERDS_IE -2.00, SARE_HTML_NO_BODY1 1.03, SARE_URI_DIET 1.37)
The header above is from a legitimate health newsletter. The Irish IP that sent it was assigned a negative score (-2) which brought an otherwise false positive safely down below the limit.
On the other side we have an email that would otherwise have got through:
Jan 15 13:39:26 av MailScanner[3774]: Message j0FDcoF8019064 from xxx.xxx.xxx.xxx(xxxx@xxxxx.com) to xxxxx.com is spam, SpamAssassin (score=9.663, required 7.4, RAZOR2_CF_RANGE_51_100 1.00, RAZOR2_CHECK 2.06, RCVD_IN_NERDS_CN 3.50, RCVD_IN_SORBS_DUL 1.00, WS_URI_RBL 2.10)
The email scored against two DNSBLs, but would have only scored 6.1, however the sending IP (from China) pushed it nicely over the limit.
How are the scores assigned?
We use a custom ruleset that polls the IP list provided by http://countries.nerd.dk/
and assigns a score based on the result.
An example score is below:
header __RCVD_IN_NERDS eval:check_rbl(‘nerds’,'zz.countries.nerd.dk.’)
describe __RCVD_IN_NERDS Received from a spam country
tflags __RCVD_IN_NERDS net
header RCVD_IN_NERDS_AR eval:check_rbl_sub(‘nerds’,’127.0.0.32′)
describe RCVD_IN_NERDS_AR Received from Argentina
tflags RCVD_IN_NERDS_AR net
score RCVD_IN_NERDS_AR 2.5
Thanks to a recent thread on the spamassassin users’ list
SpamAssassin

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January 8, 2005

Resident Evil

Resident Evil

I’ve been listening to the Resident Evil soundtrack whilst working. I must get my hands on the soundtrack to the sequel.
Resident Evil
Resident Evil: Apocalypse

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