Workaround: E-Mail from Synchronized Distribution Groups Flagged as Spamhttp://blogs.technet.com/msonline/archive/2009/06/25/e-mail-delivery-issue-for-synchronized-distribution-groups.aspxIf all of the following conditions exist in your company, e-mail sent from Microsoft Exchange Online to your company’s distribution groups may be filtered as spam and not delivered. · You have established e-mail coexistence between your on-premises Microsoften-USCommunityServer 2.1 SP1 (Build: 61025.2)Workaround to eMail from Synchronized Distribution Groups Flagged as Spam Issuehttp://blogs.technet.com/msonline/archive/2009/06/25/e-mail-delivery-issue-for-synchronized-distribution-groups.aspx#3258935Fri, 26 Jun 2009 14:11:54 GMTd5e57398-b9ef-4490-9955-07cbb4e4a80d:3258935Workaround to eMail from Synchronized Distribution Groups Flagged as Spam Issue<p>PingBack from <a rel="nofollow" target="_new" href="http://www.ditii.com/2009/06/26/workaround-to-email-from-synchronized-distribution-groups-flagged-as-spam-issue/">http://www.ditii.com/2009/06/26/workaround-to-email-from-synchronized-distribution-groups-flagged-as-spam-issue/</a></p>