WEB
He wrote in the name of King Ahasuerus, and sealed it with the king’s ring, and sent letters by courier on horseback, riding on royal horses that were bread from swift steeds.
YLT
And he writeth in the name of the king Ahasuerus, and sealeth with the signet of the king, and sendeth letters by the hand of the runners with horses, riders of the dromedary, the mules, the young mares,