Email via profiles bouncing back

[ApexJimi]

I have emailed two separate profiles, and each has bounced back.

Here's the error message -

---

Original Message-----
From: Mail Delivery Subsystem <[e-mail]>
To: ***** **** <*******@aol.com>
Sent: Tue, 31 May 2011 18:42
Subject: Returned mail: response error

The original message was received at Tue, 31 May 2011 22:44:26 +0100

----- The following addresses had permanent fatal errors -----
<*****@aol.com>

----- Transcript of session follows -----
... while talking to mailin-04.mx.aol.com
>>> DATA
<<< 554 5.2.1 : (DYN:T1) http://postmaster.info.aol.com/errors/421dynt1.htm...

[mybrainhurts]

Change your deodorant...

[RacingPete]

Can you message my profile with the users you were trying to reach. If that bounces then drop me an email. My address is my username @ PistonHeads.com

[ApexJimi]

Did you get my emails Pete?

[mybrainhurts]

[ApexJimi]

I give up!

[LordGrover]

mybrainhurts said:

... that reminds me...

[Shaw Tarse]

LordGrover said:

mybrainhurts said:

... that reminds me...

I hope you aren't suggesting mbU can't login?