"$d_SysMaint""Thunderbird/connection problem.txt" ************ 08Sep2014 Email connection problem : Thunderbird -> Menu -> Account settings -> for IJCNN2015-INNS-Killarney-Ireland@BillHowell.ca -> Server settings -> Security settings -> [Connection security = None] [Authentication method = Password, transmitted insecurely] Didn't help : the problem was due to "IJCNN@BillHowell.ca being in the list of : Thunderbird -> Menu -> Account settings -> for Outgoing server (SMTP) -> Outgoing server (SMTP) settings I removed it, now it works OK! enddoc