<div>
Ok <br />
I will await furhter investigation.<br />
<br />
Cheers
</div>


Ok
I will await furhter investigation.

Cheers

<div>
Andrew,<br />
Well no more spam false positives since I disabled Trend Micros Messagung Security Agent - hardly ideal as now we are getting more viruses at the desktops. No news of a fix from TM that I can see.<br />
I give you some points as you mentioned checking for third party filters .<br />
<br />
Thanks,<br />
<br />
Alasdair
</div>


Andrew,
Well no more spam false positives since I disabled Trend Micros Messagung Security Agent - hardly ideal as now we are getting more viruses at the desktops. No news of a fix from TM that I can see.
I give you some points as you mentioned checking for third party filters .

Thanks,

Alasdair

<div>
<div class="content wysiwyg-content">
Hi all,<br />
<br />
Since Thursday 3rd January many of my clients have seen a huge and sudden overnight increase in the number of spam false positives - regular correspondants mails are to be found in the junk folder. Same happened to me. Also other IT guys I know have reported the same thing with their clients, started the same day. Only way they fixed theirs is to disable the junk folder - PERIOD.<br />
<br />
Any ideas what the cause could be?<br />
<br />
Many thanks,<br />
<br />
Alasdair
</div>
</div>


Hi all,

Since Thursday 3rd January many of my clients have seen a huge and sudden overnight increase in the number of spam false positives - regular correspondants mails are to be found in the junk folder. Same happened to me. Also other IT guys I know have reported the same thing with their clients, started the same day. Only way they fixed theirs is to disable the junk folder - PERIOD.

Any ideas what the cause could be?

Many thanks,

Alasdair

Sudden increase in spam false positives

Exchange is the server side of a collaborative application product that is part of the Microsoft Server infrastructure. Exchange's major features include email, calendaring, contacts and tasks, support for mobile and web-based access to information, and support for data storage.

Exchange

Within Internet message handling services (MHS), a message transfer agent or mail transfer agent (MTA) or mail relay is software that transfers electronic mail messages from one computer to another using a client–server application architecture. A MTA implements both the client (sending) and server (receiving) portions of the Simple Mail Transfer Protocol (SMTP). The terms mail server, mail exchanger, and MX host may also refer to a computer performing the MTA function. The Domain Name System (DNS) associates a mail server to a domain with mail exchanger (MX) resource records containing the domain name of a host providing MTA services.

Email Servers

Various techniques are used to prevent email spam (unsolicited bulk email). No technique is a complete solution to the spam problem, and each has trade-offs between incorrectly rejecting legitimate email (false positives) vs. not rejecting all spam (false negatives) - and the associated costs in time and effort. Anti-spam techniques can be broken into four broad categories: those that require actions by individuals, those that can be automated by email administrators, those that can be automated by email senders and those employed by researchers and law enforcement officials.