Log Message:
Update to 4.2.4. From the changelog:

Version 4.2.3
18 November 2004

  -documentation updates.
  -getmailrc examples file updated.  Thanks: Scott Robbins.
  -clarify error message when user insecurely tries to deliver mail as GID 0.

Version 4.2.4
22 November 2004

  -one type of filter error would cause getmail to skip to the next configured
  mail account, rather than simply proceeding to the next message from the
  same account.  Fixed.  Thanks: Adrien Beau.
  -documentation updates.