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 Obtaining email addresses (currently 645 views) |
| dj |
| Posted on: Monday, April 9th, 2007, 9:10am |
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Super Spam Fighter 
Posts: 108
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I get my fair share of spam (and more sometimes). Until the beginning of the year, I used a mailserver that would forward all mails to my domain name to a single mail address. Because of the amount of spam this let in, to made up mail addresses they stopped this and now only accept mails to mail addresses registered on my domain name.
Now to the point of this posting - I get spam mails which are addressed to the only two registered mail addresses on one of my domain names (in the same email). How do they do that??
I dont use them on any user groups or message boards, only one of them is listed as a contact address on my website. The only thing I can think is that they are both fairly generic addresses (not quite admin@ and postmaster@ but still fairly obvious) and have been guessed and all the wrong guesses are now blocked by my mailserver? |
Dave
"Now its personal" "Don't get mad, get even!" |
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| Meep |
| Posted on: Wednesday, May 9th, 2007, 11:15am |
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New Member 
Posts: 6
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| It sounds like you had the "catchall" disabled for the mail to your domain, for most this is the best option. I had to do the same thing for my domains due to deluges of spam and this was as far back as 2001. If the email addresses are somewhat easy to guess, say john@ my-domain or even john123@mydomain, spammers will deploy a dictionary attack style of spamming to such possibilities. Some spammers also detect which email addresses appear to work and which ones don't, so it could be that a spammer may know these 2 email addresses work. |
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| MarkGiles |
| Posted on: Thursday, May 10th, 2007, 5:50am |
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Posts: 363
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Global directory harvest attack (DHA) rates for email address harvesting are detected and displayed at http://www.postini.com/stats
They detected 8 million this week |
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