[governance] brazil's anti-spam campaign results

[Carlos A. Afonso]

Dear people,

[my excuses for eventual duplication]

CGI.br has just presented a report on the results of a anti-spam 
campaign initiated in 2005 recommending Internet service providers to 
block SMTP service port 25.

This has been a protracted effort trying to weight the pros and cons 
with users and the main broadband providers in the country. A CGI.br 
working group supported by NIC.br techies has been in a relentless 
pilgrimage to the ISPs to persuade them of the direct impact on spam in 
implementing this measure.

The blocking does not affect email users, since webmail continues to 
operate normally without any reconfiguration, and users just reconfigure 
SMTP in their mail clients to use port 587 instead. Nearly all email 
service providers have already implemented secure access via port 587.

The campaign emphasizes educating final users on the importance of this 
measure and on reconfiguring their mail programs to adjust to it.

The adoption of the anti-spam measure has been slow, but from 2009 it 
picked up speed and the results can be seen in the graph 
(http://www.nic.br/imprensa/releases/2013/rl-2013-12.htm).

In 2009 Brazil was first in the CBL spam lists with more than one 
million IPs, 17% of all listed IPs. Now, it is listed in 12th place with 
just 2% of all listed IPs, and the curve is clearly descending.

One very relevant point is that the entire process is based on consensus 
and mutual collaboration -- no need for regulations or imposition of rules.

The awareness campaign's main sources are (in Brazilian Portuguese):

http://antispam.br/
http://cartilha.cert.br/

fraternal regards

--c.a.

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