OT: Gmail filter errors

Josef Lowder joe at actionline.com
Fri Oct 10 11:28:52 MST 2008


I just ran a test sending a message to myself with the character-
string "n't" in the subject line and it was not filtered to either spam
or trash.

On 10/10/08, Josef Lowder <joe at actionline.com> wrote:
> Thank you, Lisa.  That is a very helpful explanation.
>
>  In this case, the example item with a single quote mark in
>  the subject line went into my trash folder rather than to spam.
>
>  Does the fact that this happens (with single quote marks in a
>  subject line) mean that every item like that goes into either spam
>  or trash for *every* PLUG forum participant who uses Gmail?
>
>  Is there anything I can do to prevent every email (like this one) with
>  a single quote mark in the subject line from getting trashed or going
>  into the spam folder?
>
>  Thanks again.
>
>  Joe
>
>
>  On 10/10/08, Lisa Kachold <lisakachold at obnosis.com> wrote:
>  >
>  >  Gmail/google uses the spamav/clamav, spamd and spamassasin rating to
>  > determine what is spam and what is not.
>  >
>  > Part of that is based on their custom signatures, which send to spam folders
>  > based on "intelligent" format.  This "spamav/clamav" signature is updated on
>  > their servers hourly (or depending on the conf file).
>  >
>  > These rules are run before your filters, and can catch things with "..'.."
>  > etc.  URI encoding exploits and virus can attach to even the Subject line,
>  > and are scraped for good reason.
>  >
>  > Use the Source Luke - ask Google?
>  >
>  > http://wapedia.mobi/en/Obnosis ||
>  > http://en.wiktionary.org/wiki/obnosis | Obnosis.com
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>  >
>  > > Date: Fri, 10 Oct 2008 10:43:45 -0700
>  > > From: joe at actionline.com
>  > > To: plug-discuss at lists.plug.phoenix.az.us
>  > > Subject: OT: Gmail filter errors
>  >
>  > >
>  > > I've searched the 'net and tried Gmail forums, but can't find
>  > > any help anywhere else, so I'll try the best source, even though
>  > > this is OT.
>  > >
>  > > 1. Every day, I have some legitimate email that Gmail sends
>  > > to spam, so I still have to go through it every day to retrieve
>  > > those legitimate items.
>  > >
>  > > 2. Having created several hundred Gmail filters to battle this
>  > > never-ending spam problem (and to try to cut down on the number
>  > > of emails overrunning the spam folder that I have to scan through
>  > > every day, I now find that some legitimate email is now getting filtered
>  > > and sent to trash, also.
>  > >
>  > > So, I have been running all kinds of tests to try to figure out why
>  > > this is happening. One example is a PLUG email that just went
>  > > into trash with the subject: "OT: I've Been Burgled!"
>  > >
>  > > After examining my filters and not finding any that should have
>  > > caused this problem, I tried sending a dozen different email
>  > > messages to myself with various combinations of criteria to
>  > > identify what might be causing the problem. I only have filters
>  > > set up for From: / To: / and Subject: , so I tried every possible
>  > > combination of character strings and finally narrowed the
>  > > problem down to one word in the subject line that causes
>  > > the errant filtering to trash of this item ... the word: "I've"
>  > >
>  > > I do not have the word "I've" in any of my filters. So can anyone
>  > > suggest any possible reason or remedy for this anomaly?
>  > >
>  > > Another very strange thing about this is that when I pull up a
>  > > list of all my filters and try to do a search for the word "I've"
>  > > or even "Ive" I get zero hits. However, in the process of testing
>  > > this, I discovered that when I search for some other words, in
>  > > my list of filters, I have found that search returns several
>  > > more hits for some words or names than actually appear in
>  > > the list. That is really strange.
>  > >
>  > > For example, if I search for the name "Greg" search returns
>  > > five (5) hits, but there are only two occurences of that name
>  > > in my list of filters. This happens on many other words, also.
>  > >
>  > > Hope someone can provide some help with these problems.
>  > >
>  > > Google doesn't respond and I can't find any help in any
>  > > Gmail forum.
>  > >
>  > > Joe
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