Homebrew PCBs

The problem is that the messages are going to everyone in Chris' Yahoo 
address book. That address book is on the Yahoo server. Can you send a 
message to everyone that is in Chris' address book?

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Piers Goodhew" <piers@...>
To: <Homebrew_PCBs@yahoogroups.com>
Sent: Monday, August 16, 2010 5:16 AM
Subject: Re: [Homebrew_PCBs] Yes, something is wrong, I am NOT a spammer!!!


> ... so it looks like it's trivial to post under any name at all, using any 
> valid list member address. This isn't really Y!'s fault, email was never 
> designed to be verifiably authentic. I could post as "Barack Obama" using 
> Chris' email address (but I wont, for several reasons).
>
> Group messages are viewable without requiring a login, and while it only 
> shows the part before the @, my hunch is the spammer has had an automated 
> script skim all group archives and then add "@..." to all users and 
> tried to post from those addresses. Does anyone else post using a yahoo 
> email?
>
> PG
>
> On 16/08/2010, at 9:59 PM, Piers Goodhew wrote:
>
>> It's possible they're just doing simple "from" spoofing - if so, then the 
>> spammer does not and never has had access to yr account (or need not have 
>> anyway). It's perfectly allowable in email to put whatever "from" address 
>> you like, and if that's all yahoo groups cares about, then you only have 
>> to have the email address of a valid group member.
>>
>> Only way to stop it would be to subscribe under a different email. Or get 
>> Y! groups to do much more thorough authenticity checking, which is 
>> actually pretty hard (both hard itself and hard to get Y! to change in a 
>> hurry).
>>
>> I'll just try a quick post as me but from a totally different 
>> account/server and see what happens ...
>>
>> PG
>>
>> On 16/08/2010, at 8:37 PM, Chris wrote:
>>
>>>
>>>
>>> Sorry about this guys. I am not a spammer but have no idea how this 
>>> person(s) keeps doing this to me. I have changed passwords and have 
>>> noticed that it does not matter which computer I use to post with. The 
>>> last time this happened I was actually on my work computer which I 
>>> completely killed and reinstalled the O.S.
>>>
>>> I will have to post on some other groups to see if the problem happens 
>>> everywhere or just on this forum.
>>>
>>> I will change my password again but do not think this will clear up the 
>>> problem as I have no idea how it is happening.
>>>
>>> Again, sorry about this guys but I have no way of stopping it.
>>>
>>> Chris
>>>
>>>
>>
>>
>>
>> ------------------------------------
>>
>> Be sure to visit the group home and check for new Links, Files, and 
>> Photos:
>> http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
>>
>>
>>
>
>
>
> ------------------------------------
>
> Be sure to visit the group home and check for new Links, Files, and 
> Photos:
> http://groups.yahoo.com/group/Homebrew_PCBsYahoo! Groups Links
>
>
>
>