Setting/automailapisource

The booking source can limit auto emails to be sent only to bookings originating from that source.

The Channel Manager option means any booking originating from a channel that is not your own booking page.

Auto Actionを発動させる予約元を指定します。

「すべてのOTA」は「直接（＝自社HP）」以外のすべてのOTAを意味します。