[UA-discuss] Spam Filtering

Hazem Hezzah hhezzah.las at gmail.com
Thu Feb 9 12:18:13 UTC 2017

Just reminding you that non-ASCII characters are included in most European languages (umlaut, accent....etc.) using Latin scripts.
So, consider that when you take your decision to ban those emails too. 

Hazem Hezzah

-----Original Message-----
From: ua-discuss-bounces at icann.org [mailto:ua-discuss-bounces at icann.org] On Behalf Of Asmus Freytag
Sent: Wednesday, 08 February, 2017 19:57
To: ua-discuss at icann.org
Subject: Re: [UA-discuss] Spam Filtering

On 2/8/2017 9:31 AM, Andrew Sullivan wrote:
> On Wed, Feb 08, 2017 at 04:47:52PM +0000, Andre Schappo wrote:
>> Recently I tested sending email from my DataMail 小山@电邮.在线 to some 
>> people on gmail. Mostly they report that my email to them goes into 
>> their gmail Spam/Junk folder. I deduce that the gmail spam filtering 
>> software is treating chinese/unicode email addresses less favourably 
>> than ascii email addresses.
> That seems like a leap.  How many of those people speak Chinese 
> natively?
> Most spam systems are Bayesian and have been taught to look for 
> patterns that match other spam.  Everyone who has taught gmail to 
> recognize "Han in the headers == spam" will have to un-teach it that.
> I don't know about you, but since I'm not a native user of Han 
> characters I have certainly taught my spam filters such rules of 
> thumb.
> A
Precisely. As a forum admin, I would cheerfully ban all non-ASCII e-mails for registration, because my user base is not world-wide, but the spammers are. Only reason I am not doing that today, is that the software doesn't know about non-ascii e-mails yet :)


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