I'm trying now for many hours to try to make postfix works but i don't find the solution : I created an Email account on ispconfig I can go to this email account from any mail client like outlook, it is able to connect to the account without any problem From it, i can send mail to domains not hosted on my server it is ok but i can't receive emails from my own account or from emails hosted on others servers on the mail.log it is said Code: Jun 14 14:23:03 localhost postfix/smtpd[17600]: connect from XXXXXX.abo.wanadoo.fr[82.124.156.178] Jun 14 14:23:03 localhost postfix/smtpd[17600]: E04A1B88C15: client=XXXXXX.abo.wanadoo.fr[82.124.156.178], sasl_method=LOGIN, sasl_username=web1_contact Jun 14 14:23:04 localhost postfix/cleanup[17603]: E04A1B88C15: message-id=<000601c7ae7e$b1cc7f70$0600a8c0@Webmaster> Jun 14 14:23:04 localhost postfix/qmgr[17072]: E04A1B88C15: from=<[email protected]>, size=1394, nrcpt=1 (queue active) Jun 14 14:23:04 localhost postfix/smtp[17604]: E04A1B88C15: to=<[email protected]>, orig_to=<[email protected]>, relay=none, delay=1, status=bounced (mail for XXXXXX.dedibox.fr loops back to myself) Jun 14 14:23:04 localhost postfix/cleanup[17603]: 129E2B88C17: message-id=<[email protected]> Jun 14 14:23:04 localhost postfix/qmgr[17072]: 129E2B88C17: from=<>, size=3252, nrcpt=1 (queue active) Jun 14 14:23:04 localhost postfix/qmgr[17072]: E04A1B88C15: removed Jun 14 14:23:04 localhost postfix/smtpd[17600]: disconnect from XXXXXX.abo.wanadoo.fr[82.124.156.178] Jun 14 14:23:04 localhost postfix/smtp[17604]: 129E2B88C17: to=<[email protected]>, orig_to=<[email protected]>, relay=none, delay=0, status=bounced (mail for XXXXXX.dedibox.fr loops back to myself) Jun 14 14:23:04 localhost postfix/qmgr[17072]: 129E2B88C17: removed Thanks in advance for your help and sorry for my bad english