Do the domain that was created by default is not the domain that you intended.  Or when you setup zimbra you were not paying attention and server name got added in front of the domain ie mail.domain.com instead of just domain.com. Now you need to setup the ham, spam, galsync, and virus-quarantine accounts to your new domain. Lets start with ham and spam. From zimbra webadmin find the spam and ham accounts under manage and then search individually for ham and spam.  They will have random characters after the name.  We will need the full name of both accounts.  Right click to edit the account and under account name change the domain to your newly created domain and save.  Do this for both accounts.  Also get the names of both accounts.  You can copy and paste them to use in the following command line. As zimbra user on the mail server run these commands. You can also check the current spam accounts with zmprov gcf zimbraSpamIsSpamAccount zimb...

With the phishing attempts that consonantly target users your company can get exposed to a possible infiltration because a user thought a representative of the company sent them an email asking to change the password or to cleanup a full inbox, etc. In the email they will have a link and a login page that is used to collect the users login name and password. Many companies are starting to implement some kind of indication to the user that the email originated outside the company. Some will add a tag to the subject like [EXTERNAL] if the mail system has capabilities for using transport rules, spamassasin header, postfix header_checks. Other phishing attempts would use CEO names in the name field with a different return email address. The way users fall for this is they do not look at the originating email address. It also does not help that most mail clients will only show display name when provided instead of the email. Currently zimbra does not have a way to creat...