TMNET Close Port 25?

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# ANNOUCEMENT BY TMNET
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Latest News. :REF
http://www.tm.net.my/tmnet2006/contents/corporate/news_details.cfm?id=1411&type=News&pg=1

Latest News
Monday, December 03, 2007
MITIGATING SPAM IN TM NETWORK

Dear valued customers,
Telekom Malaysia Berhad wishes to inform its customers about TM’s initiative in combating spam in its Internet Protocol (IP) network to improve our quality of service.
Recently, many anti-spam organizations have blacklisted a large number of IP addresses from TM’s network. Due to this many customers have been unable to send emails from their mail server to companies who might be using database from the abovementioned anti-spam organizations.
These spamming activities by a small group have affected a large number of our customers, regardless of the nature of their Internet usage. .
Therefore, TM is taking immediate action to address this issue. Effective 3 December 2007, TM will block OUTBOUND Simple Mail Transfer Protocol (SMTP) traffic or port 25 for all out going e-mails from dynamic IP addresses. Only Outbound SMTP traffic from smtp.streamyx.com and smtp.tm.net.my will be allowed.

With this implementation, Streamyx customers who have their own mail server will not be able to send e-mails.
As an alternative, TM is providing an open relay server for these customers who use dynamic IP addresses. Kindly refer to http://webmail.tm.net.my/info/proxy.html on how to configure your email client in order toutilize this relay server.
Alternatively, your e-mail administrators can refer to http://webmail.tm.net.my/info/smtp-proxy.html as a guide to configure your company’s email servers.

Please be assured that TM is proactively taking all possible measures to ensure that these spamming activities do not reoccur in the future.
We seek your kind co-operation to implement the necessary security measures to protect your computers that are connected to the Internet from any e-mail abuse, virus infection, spyware and malicious code.

For further enquiries and assistance, email us at help@tm.com.my or call TM at 100 and select “Internet Services”.
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PS : Yet another stupid solution from TMNet

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