To apologize for the
act of repalling, sending an email accidentally to "reply to all."
Based on repall (v.) The
act of pressing "reply to all" or "reply" instead of "forward", and consequently sending an email to the
wrong addressee, particularly when it causes great embarrassment. Repalled emails typically include slurs and overly sincere impressions and thoughts the author has about the addressee.
Related?: repallogy (n.) The
act of apologizing for a repalled email.