י וַיִּכְתֹּב בְּשֵׁם הַמֶּלֶךְ אֲחַשְׁוֵרשׁ וַיַּחְתֹּם בְּטַבַּעַת הַמֶּלֶךְ וַיִּשְׁלַח סְפָרִים בְּיַד הָרָצִים בַּסּוּסִים רֹכְבֵי הָרֶכֶשׁ הָאֲחַשְׁתְּרָנִים בְּנֵי הָרַמָּכִים
10. And he wrote in the name of the king, Achashverosh, and he sealed with the king’s ring, and he sent books through runners on horses, riders on the rechesh the achashtirans, sons of the ramachs.
- Yad HaMelech writes that the verse stresses that Mordechai signed in the name of Achashverosh because Achashverosh indeed drafted these documents physically by his own hand, something he had never done before. Then, Mordechai signed it.
- Megillas Sesarim, though, explains that the decree against the Jews’ enemies was sealed by the King of kings, H-Shem.