Regex help

gaol · Novice Poster Joined: 15 Nov 2006 Posts: 5

I'm getting a lot of spam from email addresses such as akstcfavoritesexmnsdgs@favoritesex.com or akstccandystarmnsdgs@candystar.com. I can see the bit before the @ sign is just the domain name with the letters "akst" and "mnsdgs" at each end, but not sure of the regular expression to filter them out. Some help would really be appreciated.

krt · ... Joined: 11 Jan 2005 Posts: 4977 Location: Down Under

/^akst(.+)mnsdgs$/U
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gaol · Novice Poster Joined: 15 Nov 2006 Posts: 5

Thank you krt!

gaol · Novice Poster Joined: 15 Nov 2006 Posts: 5

I got an email from akstcteenagehoesmnsdgs@teenagehoes.com today. Is this regex definitely correct?

ClickFanatic · Posted: Sat Jan 13, 2007 9:21 am Post subject:

I think this one would be better:
/^akst(.+)mnsdgs@.*/
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krt · ... Joined: 11 Jan 2005 Posts: 4977 Location: Down Under

Yes, that's right ClickFanatic... don't know why I only tried to match the first part of the email instead of the whole thing...
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ClickFanatic · Posted: Sun Jan 14, 2007 5:34 am Post subject:

gaol · Novice Poster Joined: 15 Nov 2006 Posts: 5

I hate to keep bringing this up, but I got another spam email from "Clarissa Starks" <akstciridosmnsdgs@iridos.net> today. Do you think the fact that it has a name beforehand throws it off somehow?

ClickFanatic · Posted: Sat Jan 20, 2007 5:38 am Post subject:

Yes, I think the 'nice name' could be the problem.
In that case, we just get rid of the start marker, too.

LP-Trel · Posted: Sat Jan 20, 2007 4:39 pm Post subject:

Trying to defeat this with simple regex based filters will leave you in a never ending fight that you can't win.

The spammers are using hundreds of thousands of automated robots with bottomless amounts of spare processing power.

The only way you stand a chance in hell of beating them is by using multiple levels of tried and true spam prevention like I've done with L2P's email.

Regex alone isn't enough.
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gaol · Novice Poster Joined: 15 Nov 2006 Posts: 5

Sorry to resurrect this thread, but I'm having a few spam problems again. Is there a regular expression to block all one-line emails where the entirety is just a link? For example:

"Tired of losing your erect1on halfway, or having a small weener? Change it today." or
"The only pen1s enlargement solution that guarantees growth, 100% or your money back."

Ideally I'd just like something to take out these one-line emails, and not just any email that contains a link.

krt · ... Joined: 11 Jan 2005 Posts: 4977 Location: Down Under

/^\s*<a.+>.+</a>\s*$/U

Note this might match:

link text link

But that's probably spam too.
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