גַּ֣ם טוֹבֹתָ֗יו הָי֤וּ אֹמְרִים֙ לְפָנַ֔י וּדְבָרַ֕י הָי֥וּ מוֹצִיאִ֖ים ל֑וֹ אִגְּר֛וֹת שָׁלַ֥ח טוֹבִיָּ֖ה לְיָֽרְאֵֽנִי׃
Also they spoke of his good deeds before me, and reported my words to him. And Tobiah sent letters to put me in fear.
Read midrashic interpretation of Nehemiah 6:19: and classical rabbinic exegesis.