216.82.241.131216.82.248.44216.82.248.45216.82.249.179216.82.249.211216.82.249.3216.82.254.163216.82.254.179216.82.254.67216.82.254.8385.158.141.190
mail136.messagelabs.commail196.messagelabs.commail197.messagelabs.commail198.messagelabs.commail199.messagelabs.commail44.messagelabs.commail53.messagelabs.commail54.messagelabs.commail553.messagelabs.commail554.messagelabs.commail555.messagelabs.com
cluster11a.us.messagelabs.comcluster1a.eu.messagelabs.comcluster2a.eu.messagelabs.comcluster3a.eu.messagelabs.comcluster4a.us.messagelabs.comcluster5a.us.messagelabs.comcluster9a.us.messagelabs.comemailscan1.mci.comemailscan1a.mci.comemailscan2.mci.comemailscan2a.mci.comemailscan5a.mci.commail2.dairycheckoff.commail2.virusvrij.nlmail3.iata.orgmail4.iata.orgmail44.messagelabs.commailin1.mcci.commailin2.mcci.commx1.dragonair.commx2.dragonair.comv105.r.b13.messagelabs.net
cluster2a.us.messagelabs.com
vzemail.com(last resort)
digitalaccel.com(primary)lynn-huddsteel.com(primary)msc.qld.gov.au(primary)ns1.att.com(primary)repair01.sbc.com(primary)thecommunicationsbusiness.com(primary)web1.att.com(primary)