11.6. Which files does Enigmail modify on my system?

The following information is valid for SeaMonkey 1.x only.

Assuming that mozilla/ is the directory where the SeaMonkey executable resides, Enigmail creates the following files as a result of its installation:
      mozilla/components/enigmail.js
      enigmail.xpt
      libenigmime.so on Linux, enigmime.dll on Windows
      enigmime.xpt
      ipc.xpt
      enigprefs-service.js
      mozilla/chrome/enigmail.jar

These are the files to delete if, for any reason, you want to do a manual uninstall.

Enigmail also modifies the following two overlay files by inserting Enigmail-
related lines:
      mozilla/chrome/overlayinfo/communicator/content/overlays.rdf
      mozilla/chrome/overlayinfo/messenger/content/overlays.rdf

Do not manually delete mozilla/chrome/enigmail.jar without removing the Enigmail entries from the overlays.rdf files; this could cause SeaMonkey to hang.