File: postfix_virtual.help

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  Virtual table
  Cristiano Otto Von Trompczynski


  The optional virtual table specifies redirections for local and non-
  local recipients or domains.  The redirections are used by the
  cleanup(8) daemon. The redirections are recursive.  The virtual redi-
  rection is applied only to the recipient envelope address,  and  does
  not affect message  headers. Think  Sendmail rule  set S0, if you
  like. Use canonical(5) mapping to rewrite header and envelope
  addresses in general.  The file serves as input to the postmap(1) com-
  mand. The result, an indexed file in dbm or db format, is used for
  fast searching  by the mail system. After an update it may take a
  minute or so before the change becomes visible.

  11..  SSeettttiinngg aa PPaatthh ffoorr vviirrttuuaall ttaabblleess


  The path for a virtual table must be set by the "Virtual maps" option
  found in the "Table locations" item. One or more paths may be defined.
  However, only local paths and table formats recognised by the module
  will be editable (see "Virtual maps" help).




  22..  EEddiittiinngg aa ttaabbllee


  After choosing the "Virtual tables" option, it will be shown a list
  with the path for possible tables set. You must select a table to
  edit.




  33..  SSeelleeccttiinngg ddoommaaiinn nnaammeess oorr rreeddiirreeccttiioonnss



  33..11..  DDoommaaiinn nnaammeess


  You may edit the domain name related to the address to be redirected.
  To do so, you just select the "Domain names" option and it will be
  presented a list of domains already set on the table. It's possible to
  add new domains, edit an existing domain ou delete a domain.



  33..11..11..  AAddddiinngg aa ddoommaaiinn


  After selecting the Add option,  a window will be shown asking you to
  entry with the domain name and a comment. Domain names already
  inserted are not allowed. Any text is valid in Comentrio, but should
  you leave it alone, the text



  33..11..22..  EEddiittiinngg ddoommaaiinn nnaammeess


  You can edit a domain name selecting the desired domain name. The
  domain name and its comment are displayed in a text box. You can
  change the domain name or comment. If the changed domain is already
  defined, a warning window appears rejecting changes. Should the domain
  be changed and there is some redirection for its domain that can't be
  found, this redirection can be corrected by pointing to an existing
  domain.




  33..11..33..  DDeelleettiinngg aa ddoommaaiinn


  To delete an item on the table you must select it first, so that the
  edition window will be shown. Click on Delete. A confirmation window
  will be shown. Should the domain be changed and there is some
  redirection for its domain that can't be found, this redirection can
  be corrected by pointing to an existing or deleted domain.




  33..22..  RReeddiirreeccttiioonnss


  You can specify addresses (with existing domains) and their related
  redirections. It's possible to add, remove or edit a redirection.





  33..22..11..  AAddddiinngg aa rreeddiirreeccttiioonn


  To add a redirection you only need to select Add on the redirections
  window, A new window will appear asking you to entry with Username,
  Domain and possible redirections. Address to be redirected is mounted
  through Username+@+Domain. Domain must be one of the existing domains.
  Redirections must be filled in next to the domain field, and there
  must exist only one redirection per field. The Add option in this
  windows will add more redirection fields.




  33..22..22..  EEddiittiinngg aa rreeddiirreeccttiioonn

  You can edit a redirection selecting the redirection on the
  redirections window. You can change its address (and domain) and
  redirections. If a redirection is related to a deleted or changed
  domain, no changes will be allowed unless you select an already added
  domain.



  33..22..33..  DDeelleettiinngg aa rreeddiirreeccttiioonn


  To delete a redirection you must select it first, so that this
  redirections edition window will be shown.  Click on

     DDeelleettee
        to delete this item. A confirmation window will be shown.