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Text Wrapping

When composing a plain text message, there are several configuration preferences to control wrapping.

Wrapping to the Window Width

To make Postbox wrap the plain text to the width of the compose window:

  1. Open the config editor.
  2. Type "mail.compose.wrap_to_window_width" into the "Filter:" textbox and double click on the that row for mail.compose.wrap_to_window_width to change the value from false to true.
  3. Restart Postbox

Text Wrapping Length

To set how many characters before wrapping a plain text message:

  1. Open the config editor.
  2. Type "mailnews.wraplength" into the "Filter:" textbox and double click on the that row for mailnews.wraplength to change the value from 72 to the desired number of characters.
  3. Restart Postbox