No, it's not normal. Check the log files and search through the forums for some details on how to fix the problem.
Thanks, it was a port conflict with sendmail.
So is everything working now ? If so would you please mark the thread as solved
thanks for all the help guys i just installed it on a test system, now i am planning it on my poweredge 1850, hope it goes well too.
I have not done that but as Zimbra works as a Mail Server you can try a POP3 access by giving your server in POP3 server and SMTP server and you can keep the default ports if you have not changed them