At 22:33 06/25/2004, you wrote:
On 26 Jun 2004, at 11:35, Aparajita Fishman wrote:
regular expression matching
Thanks for the tips but this is not what I meant.
I'm after something that checks out the entered domain and if the stuff before the '@' is an Email account at that domain.
The use of NET_Ping failed with the first domain (bigpond.net.au) I tested, but it really exist.
Jorg,
What you want to do is possible, but will largely depend on how the mail servers for which you want to check accounts are configured. Because of SPAM issues many will be configured to prevent account lookups, therefore even if you can develop a solution it will be unreliable because it will only work for an (I'm guessing) small subset of mail servers.
Consider that many server names, .e.g., bigpond.net.au, are widely known and that it is fairly trivial to obtain or generate a list of common email account names. Even though your intentions are good, the tool you want to develop could be misused to harvest valid email accounts for spamming purposes. Therefore, mail system admins, are likely to block your attempt to validate addresses.
best,
-- Brad Perkins
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