I am glad it works.
Originally Posted by CommandoHoang
Here's the solution:
Hello, I just installed Zimbra and works great!!!, when I tried to acces my mail have the same problem, Outlook, keeps asking for my password.
After some little debug, I noticed that Zimbra uses TLS for their conections, so you only have to activate TLS.
You can use some Open Source Mail like Thunderbird, that work very well with Zimbra, and support PGP also!!.
.: SOFTNS S.A.C. :. - Software Networking Security - - Inicio
The error is 554 Relay access denied. IP Pulic of client is random, so that cannot add to MTA Trusted Networks. Does anyone have solution?