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Automatically deny registration for users with multi-dotted email address Details »
Automatically deny registration for users with multi-dotted email address
Mod Version: 1.00, by cloferba (Coder) cloferba is offline
Developer Last Online: Jun 2018 I like it Show Printable Version Email this Page

vB Version: 4.2.0 Rating: (4 votes - 4.50 average) Installs: 20
Released: 27 May 2012 Last Update: Never Downloads: 0
Not Supported Uses Plugins Re-usable Code Translations  

On my forum many bots have multi-dotted email address so I wanted to avoid them to create a new account on my forum.

The way to do this is create a new plugin to recognize these multi-dotted email address provided at time of registration and delete them automatically.

Steps:
  • Create a new plugin using hook userdata_start
  • Use this code:

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It only checks the part before the '@', so set $max_dots to the number of dots you will allow (I think one dot in an email name probably isn't unusual, but that's up to you). Also, this uses the default 'bademail' phrase, but if you'd rather have a special error messages for "too many dots" you can create a phrase and use the varname in place of 'bademail'.

Special thanks to kh99 who provided this solution.

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  #2  
Old 27 May 2012, 20:09
copjend copjend is offline
 
Join Date: May 2011
Many thank
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  #3  
Old 27 May 2012, 20:15
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Boofo Boofo is offline
 
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Real name: Rob
If you use email verification, that should catch the phony email addresses so they wouldn't be able to register, anyway.
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  #4  
Old 27 May 2012, 20:36
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Snowhog Snowhog is offline
 
Join Date: Oct 2011
Real name: Paul L
This plugin (not a MOD) was suggested to me based on my post that was answered by kh99 at http://www.vbulletin.org/forum/showp...12&postcount=3

It doesn't delete registrants with multi-dotted emails, it merely prevents them from actually registering.
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  #5  
Old 27 May 2012, 20:49
djbaxter djbaxter is offline
 
Join Date: Aug 2006
Location: Ottawa, Canada
This is a good idea.

To prevent brain strain, can you easily tell me how to also check for semicolons or colons before the @? For a while I was getting Chinese bots with email address like gobbledygoop;more_gobbledygoop@somesite.com
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  #6  
Old 27 May 2012, 21:43
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Snowhog Snowhog is offline
 
Join Date: Oct 2011
Real name: Paul L
You could write two additional plugins (give each a unique plugin name) using the code with only a slight modification.

Plugin to deny registration if email address contains any colons preceding the @

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Plugin to deny registration if email address contains any semicolons preceding the @

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I'm sure that these could be incorporated into the original plugin, but I'm not a coder, so maybe kh99 can suggest how to do that.
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Last edited by Snowhog; 27 May 2012 at 22:16.
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  #7  
Old 27 May 2012, 21:52
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Boofo Boofo is offline
 
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You should be able to do a preg_match to cover all of them in a single piece of code.
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  #8  
Old 27 May 2012, 22:53
djbaxter djbaxter is offline
 
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Location: Ottawa, Canada
Thanks. I'll play around with this a bit and see if I can make it one if a or b or c statement.
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  #9  
Old 27 May 2012, 23:26
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Boofo Boofo is offline
 
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Real name: Rob
Maybe make it a setting where you can add what to exclude.
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  #10  
Old 27 May 2012, 23:37
djbaxter djbaxter is offline
 
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That's probably a bit beyond my vBulletin skills.
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  #11  
Old 28 May 2012, 00:53
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Boofo Boofo is offline
 
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I have complete faith in you, sir.
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  #12  
Old 28 May 2012, 01:24
djbaxter djbaxter is offline
 
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Location: Ottawa, Canada
LOL. Well you're not going to get rich that way.
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  #13  
Old 28 May 2012, 01:40
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Boofo Boofo is offline
 
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Real name: Rob
I'll always be rich in friendship with you as a friend.
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  #14  
Old 28 May 2012, 02:46
kh99 kh99 is offline
 
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Real name: Kevin
Originally Posted by Snowhog View Post
You could write two additional plugins (give each a unique plugin name) using the code with only a slight modification.
That's a good thought, but unfortunately it won't work the way this is written. It replaces the code that verifies an email address, so if you have multiple plugins doing the same thing, only the last one to run would have any effect.

You might be able to do something like this:


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(But I haven't tested it at all).
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  #15  
Old 28 May 2012, 02:52
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Boofo Boofo is offline
 
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You could even make the array a setting option to expand it.
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