[Mailman-Users] ISO RegExp example to block bot subscribe requests
mark at msapiro.net
Sun Aug 30 03:32:21 CEST 2015
On 08/27/2015 08:32 PM, Stephen J. Turnbull wrote:
> Woody Mon via Mailman-Users writes:
> > So I tried entering RegExp ^.*+ but Mailman rejected this entry.
> That's illegal syntax for a regexp because "+" is an operator.
> The version you want is "^.*\+". However, that is a very bad idea if
> you have any posters with email skills, because embedding "+" in the
> return address for outgoing mail is a common way to identify the
> source of incoming replies.
> A more conservative regexp would be "^[a-z]+\+[0-9]+@" which will
> catch the pattern of LETTERS "+" DIGITS.
Also, see my reply to Nelson Kelly at
Mark Sapiro <mark at msapiro.net> The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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