I have been able to restore logging by restarting the server. The log file give me a NOQUE: reject: RCPT from externalsendinghostname.isp.com[68.242.x.x]: 550 <recipient@isp1.com>: Recipient address rejected: isp1.com; from= <sender@zimbramailserverpridomain.com> to=<recipient@isp1.com> proto=ESMTP helo=<[192.168.x.x]> |