Edit Header for Better Inbox Rate
Is yours still in there or did you remove it?
If you do a Google search for "X-Mailer-RecptID" it is mostly related to spam. So basically, all/most IEM users are are sending emails with a very negative footprint.
Can we edit this? How?
Even if you will not share how, has someone already done this?
20+ Years Exp . . . . . . . . . . . . Email - CPA - PPL