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Converting sendmail .db files to text

If you want to inverse the work of newaliases, you can use makemap to convert them to text:

makemap -u hash access.db

This is quite handy to see if the newaliases indeed put all information into the db file (for instance if you use a script, you can verify it ran correctly).

It works for any db, but you need to be aware of the database format: hash type or btree type.

To my knowledge only one uses the btree type format:

  • userdb.db

All others use hash type format:

  • aliases.db
  • aliases-maillist.db
  • mailertable.db
  • genericstable.db
  • virtusertable.db
  • access.db
  • auth-info.db
  • domaintable.db

–jeroen

via: Reading Sendmail .db files.


Filed under: *nix, *nix-tools, bash, Development, Linux, openSuSE, Power User, Scripting, Software Development, SuSE Linux Image may be NSFW.
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