מדוע הרמב"ם כתב איגרות?

[fwdevp preset_id="meirtv" video_path="https://vimeo.com/231242732" start_at_video="1" playback_rate_speed="1" video_ad_path="{source:'https://meirtv.com/wp-content/uploads/2022/02/logomeir2.mp4', url:", target:'_blank', start_time:'00:00:01', fwdevp_time_to_hold_add:'0', fwdevp_add_duration:'00:00:07'}"]