# remove all headers added in the *local* mail chain: # 1. added by this mailfilter # (but not X-Tickle, X-Postponed, or X-Resubmitted) # 2. added by the retraining system # 3. added by offlineimap # 4. added by the MUA :0 fw |$FORMAIL \ -IX-EqDomain -IX-EqTo -IX-Justme -IX-Spamtrapped \ -IX-Trained-As \ -IX-UID -IX-OfflineIMAP- \ -IX-Status -IStatus -IX-Keywords -IContent-Length # now should be idempotent