Anschreiben Formal. Anschreiben lassen to take sth. Make sure to use the correct case endings for sehr geehrte it is an adjective after all.
Formal emails and letters for that matter in german start in an equally formal manner. As you can see in 4 schreiben can take both kinds of object while anschreiben cannot. Anschreiben lassen beim kaufmann to put sth.
To write down to write to to put on your tab.
The anschreiben requires an official and very formal style of writing. You see in 2 and 3 both words can mean to write to someone only schreiben takes the indirect dative case object anschreiben takes the direct accusative object. On the cuff am coll dated idiom etw. Take your reader on a trip through your professional past display your skills your current position and your job motivation.
