14 The couriers, riding the royal horses, went out, spurred on by the king’s command, and the edict was issued in the citadel of Susa.

Read Esther 8:14 Using Other Translations

So the posts that rode upon mules and camels went out, being hastened and pressed on by the king's commandment. And the decree was given at Shushan the palace.
So the couriers, mounted on their swift horses that were used in the king's service, rode out hurriedly, urged by the king's command. And the decree was issued in Susa the citadel.
So urged on by the king’s command, the messengers rode out swiftly on fast horses bred for the king’s service. The same decree was also proclaimed in the fortress of Susa.