hi guys i had an issue with my open source edition 4.5 on suse 10.1 well i configured samba so i can print on my network througt the mail server but the problem is that samba seems to damage my FQDN and no mail can be send or recibed on my thougth my server, i'm not sure if i had configured badly samba, but the thing is that now i killed the samba process and all services came back i can send and recive mails and all but here is my problem when i send mails to hotmail or yahoo i had a mail delivery system notification that my reciver on yahoo or hotmail find out that my zimbra mail is spam and it's returned to my zimbra server, why this is happening? is there any way that i can fix it? also i got a tons of mails defered on my queues and i can't flush them well all of them were send while my FQDN was dead so is there a way to flush them or the only solution is to erase them all? see what i got when i'm sending a mail to hotmail:

This is the Postfix program at host syncmail.sync.com.ec.

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 <postmaster>

If you do so, please include this problem report. You can
delete your own text from the attached returned message.

The Postfix program

<dinokorn@hotmail.com>: host mx1.hotmail.com[] said: 550 Your e-mail
was rejected for policy reasons on this gateway. Reasons for rejection may
be related to content with spam-like characteristics or IP/domain
reputation problems. If you are not an e-mail/network admin please contact
your E-mail/Internet Service Provider for help. For e-mail delivery
information, please go to MSN Postmaster (in reply to MAIL FROM

any idea?