Hi guys, I am running mdaemon pro v6.8.4R I have the following problems\ 1. some mails send to my domain fail with this error This message was created automatically by mail delivery software. A message that you sent could not be delivered to one or more of its recipients. This is a permanent error. The following address(es) failed: it.admin@xxxxxx.com No Such User Here ------ This is a copy of the message, including all the headers. ------ Return-path: <michael@damichict.com> Received: from mail.pasicoea.com ([41.215.59.106]:3851 helo=neuron) by cabriolet.websitewelcome.com with esmtpa (Exim 4.69) (envelope-from <michael@damichict.com>) id 1NB0cp-0001Dr-ES I have tested with addreses from 3 different domains and they all failed. (But many other mails just come thru without a problem) I have checked the blacklist and spam blocker and they all seem ok 2. any email from my domain sent to wananchi fails,, with this error The following message to <xxxx@wananchi.com> was undeliverable. The reason for the problem: 5.1.0 - Unknown address error 550-'Message line(s) are too long. This is typical of spammers/spamware.\nIf you feel this is in error, please contact abuse@wananchi.com\nFirst, try configuring your mailer application to wrap lines at\nabout 76 characters.' I have tried to talk to the support at wananchi but they haven’t been of any help Any1 with a solution please assist Regards, Michael