This is the mail system at host smtp-b.sp.cz.net. #################################################################### # THIS IS A WARNING ONLY. YOU DO NOT NEED TO RESEND YOUR MESSAGE. # #################################################################### Your message could not be delivered for more than 6 hour(s). It will be retried until it is 5 day(s) old. 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 mail system : delivery temporarily suspended: host 127.0.0.1[127.0.0.1] refused to talk to me: 421 Service not available