Yeah I got the same thing ,trying to resolve it now , but one suggestion I saw on my hosting site was to change the port numbers , especially the outgoing one. They suggest 587 , but Im sure it is not the same for everyone.
I will try to get back here with an update.
There are also a couple of things that annoy me with Zimbra and would like to get it of my chest. I will do it next visit. Im sure the good folk at Zimbra will take it in the positive feedback kind of way that it was intended to be
Peace out |