===== API =====
^ URI ^ GET ^ POST ^ PUT ^ DELETE ^
^/api/domain/  |  list of domains  |  new domain  |  -  |  delete all domains  |
^/api/domain/address.com/  |  domain info  |  -  |  edit domain  |  delete domain  |
^/api/mailbox/  |  list of mailboxes  |  new mailbox  |  -  |  delete all mailboxes  |
^/api/mailbox/user@address.com/  |  mailbox info  |  -  |  edit mailbox  |  delete mailbox  |
^/api/alias/  |  list of aliases  |  new alias  |  -  |  delete all aliases  |
^/api/alias/user@address.com/  |  alias info  |  -  |  edit alias  |  delete alias  |
^/api/vacation/  |  list of vacations  |  new vacation  |  -  |  delete all vacations  |
^/api/vacation/user@address.com/  |  vacation info  |  -  |  edit vacation  |  delete vacation  |