Author: web   Add date: 04/08/2008   Publishing date: 04/09/2008   Hits: 0

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If you are a Telecom New Zealand's Xtra customer and suffered through the Yahoo!Xtra Bubble migration, it might be good to brace yourself - again.The word in our Geekzone forums is that Xtra is changing how it handles e-mail, again. And this page confirms those changes from 18 March.Hoiw does this change affect you? If you are using Xtra for your e-mails and always send e-mails from an address that ends on @xtra.co.nz then nothing changes.If you are using Xtra to send e-mails with address that end in something different thn @xtra.co.nz then keep reading.Whenever someone sends an e-mail, a SMTP server is used to relay the message to other servers for distribution.In most cases, ISPs allow access to their SMTP servers to users on their own network, or to authenticated users if coming for other networks.But SMTP servers do not require the "FROM" field in the message to be exactly the user's e-mail address.This means that once a user successfully authenticate with the SMTP server it is possible to send e-mails as someone else. And this can be a problem. People can just authenticate to a SMTP server and impersonate someone else. Or use it for spam purposes.To eliminate ths problem Xtra has decided (or was it Yahoo! who decided this?) that a "validation" is required to confirm that the e-mail address you are using to send a message is actually yours.It's simple to do it, just follow these instructions. Even though it's simple to do it, I can imagine a lot of people will be caught on this. I just hope their help desk this time is preared to provide people with the correct answers.

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