The client would like to send to three recipients. The server acknowledges Jones and Brown with 250 OK replies, but sends a 550 mistake reply to indicate that it doesn’t acknowledge Inexperienced. Sending unengaging or unsolicited content material will improve the likelihood that your recipients will mark your messages https://it-support13444.bloggazza.com/26400581/helping-the-others-realize-the-advantages-of-it-support