Generating server: COL0-MC3-F36.Col0.hotmail.com

#< #5.2.2 smtp;552 5.2.2 This message is larger than the current system limit or the recipient's mailbox is full. Create a shorter message body or remove attachments and try sending it again.> #SMTP#

Thoughts ?

I use Thunderbird to access my MSN mail account.  This just started yesterday.