A question about spam?

[Jude DaShiell]

I just had a friend get a look at the photos in that 1m mesage 
kimirachel sent and he tells me those are seriously ugly!
On Mon, 19 Dec 
2016, Jude DaShiell wrote:

> Date: Mon, 19 Dec 2016 01:18:18
> From: Jude DaShiell <jdashiel at panix.com>
> Reply-To: Linux for blind general discussion <blinux-list at redhat.com>
> To: Linux for blind general discussion <blinux-list at redhat.com>
> Subject: Re: A question about spam?
> 
> a good domain to block is vizyn.com if anyone is interested.  I doubt 
> anything of any consequence other than spam will be coming from that domain 
> in the future. On Mon, 19 Dec 2016, Jude DaShiell wrote:
>
>> Date: Mon, 19 Dec 2016 01:05:07
>> From: Jude DaShiell <jdashiel at panix.com>
>> Reply-To: Linux for blind general discussion <blinux-list at redhat.com>
>> To: Linux for blind general discussion <blinux-list at redhat.com>
>> Subject: Re: A question about spam?
>> 
>> In email, the Messag-Id: field is supposed to be a fingerprint for email. 
>> Perhaps a couple procmail recipes might be useful in this case. The first 
>> recipe would treat any email missing a Message-Id: field as junk.  The 
>> second recipe would have to be maintained with a data base holding 
>> Message-Id: entries from email known to be spam.  Anything found in that 
>> data base would also properly be considered junk and treated accordingly. 
>> I'm not that good with procmail yet so haven't tried this yet.  One 
>> important thing is to guard that data base by backing it up to local 
>> storeage and be prepared to also get its sha512sum and compare it with 
>> local edition.  If the two don't match, remote version got tampered.
>> 
>> On Sun, 18 Dec 2016, Tim Chase wrote:
>> 
>>> Date: Sun, 18 Dec 2016 23:33:24
>>> From: Tim Chase <blinux.list at thechases.com>
>>> Reply-To: Linux for blind general discussion <blinux-list at redhat.com>
>>> To: blinux-list at redhat.com
>>> Subject: Re: A question about spam?
>>> 
>>> On December 18, 2016, Karen Lewellen wrote:
>>>> We have Spam assassin here, and I do run sa-learn.
>>>> However, I do not run this on addresses that use real names, even
>>>> if I know the material is spam.
>>>> At what level do programs like spam assassin do the filtering?  Are
>>>> there other steps I can take to curb the flow?
>>> 
>>> SpamAssassin (SA) takes the content into consideration, so even if
>>> you're receiving spam from known-good addresses, feed it to SA.  It
>>> will learn from the content, not just the sender.
>>> 
>>> Depending on how your mail-server is configured, you can also set up
>>> catch-all accounts and then direct various sources to custom email
>>> addresses.  Because I own our domain, I can have all mail to this
>>> list come to blinux.list@<mydomain> which lets me set up filters to
>>> the effect "if anything comes to blinux.list@ and isn't also either
>>> to the mailing-list or in my personal address-book of people with
>>> whom I've previously sent messages, treat it as junk"
>>> 
>>> You can do something similar with GMail which allows you to take your
>>> username at gmail.com and append a plus-sign and a tag for filtering
>>> such as "username+blinux at gmail.com".
>>> 
>>> Not knowing the peculiars of your particular mail configuration, it's
>>> hard to offer better suggestions, but at least you now know enough to
>>> train SA with the junk mails even if they come from known-good
>>> addresses.
>>> 
>>> -tim
>>> 
>>> 
>>> _______________________________________________
>>> Blinux-list mailing list
>>> Blinux-list at redhat.com
>>> https://www.redhat.com/mailman/listinfo/blinux-list
>>> 
>> 
>> 
>
>

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