On Aug 23, 2013, at 07:54, Grant <emailgr...@gmail.com> wrote: > Does this mean the email address doesn't exist? > > <exam...@aol.com>: host mailin-04.mx.aol.com[64.12.138.161] said: 550 5.1.1 > <exam...@aol.com>: Recipient address rejected: aol.com (in reply to > RCPT TO command)
Yes, it should mean exactly that; http://tools.ietf.org/html/rfc3463#section-3.2 X.1.1 Bad destination mailbox address The mailbox specified in the address does not exist. For Internet mail names, this means the address portion to the left of the "@" sign is invalid. This code is only useful for permanent failures. Mvg, Joni
