Re: [Assp-user] Regex to block chinese characters

[Alessandro C. <aca...@x-...>]

>This regex would block ALL utf-8/Base64 encoded sender description!
I thought that utf-8 characters starting with numbers 5,6,7,8,9 (after B?) all pertain to chinese character set. Well, let me do some tests, considering your notice about header decoding.
Thank you.


El 25/06/2013 11:49 a.m., Thomas Eckardt escribió:
>> Where I should exactly past the characters in the GUI?
> If you want to block with a regex that checks the header/sender of a mail,
>   'bombHeaderRe' and/or 'bombSenderRe' will be the right place.
>
>> Meanwhile I could use this regex: "From: =\?utf-8\?B\?[56789]"
> This regex would block ALL utf-8/Base64 encoded sender description!
> Hmmm.... ??? At least it will not work in 'bombHeaderRe' and/or
> 'bombSenderRe' - it will only work in 'preHeaderRe'
>
> notice: the header parts will be completely decoded in to Perl unicode
> before the regex ('bombHeaderRe' and/or 'bombSenderRe') take place - so
> the regex "From: =\?utf-8\?B\?[56789]" will never match. This is done,
> because the next message could use for example "from: '=?GB2312?B?.....?='
> were the decoded name is the same like before (in utf-8).
>
> You can use unicode point definitions in the regular expression like
> \p{InHanunoo}..... - but I think you better look for a more easy pattern
> to detect such mails.
>
> Thomas
>
>
>
>
>
> Von:    Alessandro Cattani <aca...@x-...>
> An:     For Users of ASSP <ass...@li...>,
> Datum:  25.06.2013 17:34
> Betreff:        Re: [Assp-user] Regex to block chinese characters
>
>
>
> Thank you. I will switch to V2 soon.
> Where I should exactly past the characters in the GUI?
>
> Meanwhile I could use this regex: "From: =\?utf-8\?B\?[56789]"
> because all the spam has this header structure:
> From: =?utf-8?B?5YWz5rSq5a+M?= <fj...@pn...>
>
> Alessandro
>
> El 25/06/2013 07:37 a.m., Thomas Eckardt escribió:
>> If you use V2, it is possible to copy and past the characters in the GUI
> -
>> assp will make the right things for you.
>> You may try the same in V1 - I don't know if it works.
>>
>> Thomas
>>
>>
>>
>>
>>
>>
>> Von:    Alessandro Cattani <aca...@x-...>
>> An:     For Users of ASSP <ass...@li...>,
>> Datum:  25.06.2013 11:12
>> Betreff:        [Assp-user] Regex to block chinese characters
>>
>>
>>
>> Hi,
>>
>> Any good regex to block chinese spam like this example:
>>
>> Subject: ????????????-???
>>
>> In header appears as:
>>
>> Subject:
>>
> =?utf-8?B?5o+S5YWl5q2j5aSa6L655b2i5ZKM5byC5b2i5aSa6L655b2iLeebiuenkuS6kQ==?=
>> Thank you,
>> Alessandro
>>
>>
>>
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