So Esther called for Hathach, one of the king’s eunuchs who had been placed at her service, ¹  and instructed him to find out the cause and reason for Mordecai’s behavior. ² 

The couriers who were riding the royal horses went forth with the king’s edict without delay. ¹  And the law was presented in Susa the citadel as well.

Mordecai ¹  wrote in the name of King Ahasuerus and sealed it with the king’s signet ring. He then sent letters by couriers on horses, who rode royal horses that were very swift.