And here's an example right here - came in as I was typing the other message:
On 8/2/12 9.02 PM, "Mail Delivery System" <mailer-daemon@concentric.com> wrote:
This is the ConcentricHost(3.5) MX program at host spiteful.concentric.com.
I'm sorry to have to inform you that your message could not
be delivered to one or more recipients. It's attached below.
For further assistance, please send mail to
If you do so, please include this problem report. You can
delete your own text from the attached returned message.
The ConcentricHost(3.5) MX program
<xxxxxxxxx> (expanded from <xxxx@xxxxx.com>):
Host or domain name not found. Name service error for
name=XXXX.XXXXX.com type=A: Host not found
So, in this case, the server sent out birthday greetings - as it does every day - and this one bounced as it's email server has disappeared - or it's URL has changed. Most often it's because people have changed email accounts and not updated their profile - sometimes they've sold their boat and don't participate on the boards anymore...but other times people intentionally change their email addresses to BAD addresses - in an attempt to reduce spam - or - if they're hackers - or if they're spammers. Doing this is pointless - as we don't sell/rent/mine data of our users - and when the server catches it (and it always does) - it just locks out the account for obvious reasons.
Because of this, this users account becomes (now - the new title) "Inactive", their subscriptions are deleted (that is, the notifications for existing threads are ceased) and their notifications are stopped for personal messages. Basically - all email related to this account is ceased so bouncing mail will stop.
It's basically just the daily cleaning and pruning of accounts - very normal.
</xxxx@xxxxx.com></xxxxxxxxx></mailer-daemon@concentric.com>
The way around all of this:
Update your profile with a current, legitimate email address. It's a requirement of membership at EY.o