malformatted

English

Etymology

From mal- +‎ formatted.

Adjective

malformatted (not comparable)

1. (chiefly computing) Poorly or incorrectly formatted.
   • 2004, PC Mag‎:

     SpamAssassin works by assigning scores to characteristics of suspected spam mail. These range from malformatted headers to the use of embedded code meant to identify the recipient.