I never start e-mail messages with that... Noone ever complained. In fact I rarely use that, much less at the start of a conversation (I might use it as court

I never start e-mail messages with that... Noone ever complained. In fact I rarely use that, much less at the start of a conversation (I might use it as courteous reply if the other person ask first, and I ask that to actually close people, like my associate, my SO, my parents...)