we recently changed our internet to comcast and would like to
authenticate to their smtp server, I tried this Outgoing SMTP Authentication - Zimbra :: Wiki but I am getting back host smtp.hmc1.comcast.net[76.96.53.14] said: 530 5.7.0 authentication required (in reply to MAIL FROM command) is there a setting I am missing? the settings I am using work in outlook outgoing smtp smtp.hmc1....