<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: times new roman,new york,times,serif; font-size: 12pt; color: #000000'><br style="background-color: rgb(255, 255, 255);"><i style="background-color: rgb(255, 255, 255);">Sent on behalf of the IT Division</i><br style="background-color: rgb(255, 255, 255);"><br style="background-color: rgb(255, 255, 255);"><span style="background-color: rgb(255, 255, 255);">Jefferson Lab's spam and virus filter solution was replaced with a new system called WatchGuard on </span><span class="Object" id="OBJ_PREFIX_DWT3012_com_zimbra_date" style="color: rgb(0, 0, 139); cursor: pointer; background-color: rgb(255, 255, 255);">Tuesday</span><span style="background-color: rgb(255, 255, 255);"> evening of this week. This system identifies spam by a method called heuristic analysis, which compares the characteristics of each incoming email to those from emails containing viruses or that have been identified as spam. Suspicious emails are placed in a quarantine, where they may be reviewed by the intended recipient prior to deletion or release.</span><span style="background-color: rgb(255, 255, 255);"> </span><br style="background-color: rgb(255, 255, 255);"><br style="background-color: rgb(255, 255, 255);"><span style="background-color: rgb(255, 255, 255);">For Watchguard to most effectively identify emails for quarantine, it must be exposed to identified spam emails that Jefferson Lab addresses typically receive. This "training" process was begun before the cutover to the Watchguard system, but further training is needed. Please forward any spam you receive to </span><span style="background-color: rgb(255, 255, 255);"></span><span class="Object" id="OBJ_PREFIX_DWT3013_com_zimbra_email" style="color: rgb(0, 0, 139); cursor: pointer; background-color: rgb(255, 255, 255);"><a class="moz-txt-link-abbreviated" href="mailto:spam@jlab.org" target="_blank" style="color: rgb(0, 0, 139); text-decoration: none; cursor: pointer;">spam@jlab.org</a></span><span style="background-color: rgb(255, 255, 255);"> </span><span style="background-color: rgb(255, 255, 255);">to assist in the training process. The amount of spam actually received by Jefferson Lab staff and users will decrease as more spam is identified and sent to the above address.</span><span style="background-color: rgb(255, 255, 255);"> </span><br style="background-color: rgb(255, 255, 255);"><br style="background-color: rgb(255, 255, 255);"><span style="background-color: rgb(255, 255, 255);">For more information on WatchGuard, how to add filters, and how to view your quarantined emails, see</span><span style="background-color: rgb(255, 255, 255);"> </span><span class="Object" id="OBJ_PREFIX_DWT3014_com_zimbra_url" style="color: rgb(0, 0, 139); cursor: pointer; background-color: rgb(255, 255, 255);"><a class="moz-txt-link-freetext" href="https://cc.jlab.org/WatchGuard" target="_blank" style="color: rgb(0, 0, 139); text-decoration: none; cursor: pointer;">https://cc.jlab.org/WatchGuard</a></span><br style="background-color: rgb(255, 255, 255);"><br style="background-color: rgb(255, 255, 255);"><span style="background-color: rgb(255, 255, 255);">If you have any questions or concerns that are not answered on the webpage, contact the IT Division Helpdesk at</span><span style="background-color: rgb(255, 255, 255);"> </span><span class="Object" id="OBJ_PREFIX_DWT3015_com_zimbra_email" style="color: rgb(0, 0, 139); cursor: pointer; background-color: rgb(255, 255, 255);"><a class="moz-txt-link-abbreviated" href="mailto:helpdesk@jlab.org" target="_blank" style="color: rgb(0, 0, 139); text-decoration: none; cursor: pointer;">helpdesk@jlab.org</a></span><span style="background-color: rgb(255, 255, 255);"> </span><span style="background-color: rgb(255, 255, 255);">or x7155.</span><div><span style="background-color: rgb(255, 255, 255);"><br></span></div></div></body></html>