Hello, I am trying to host multiple domains on my mail server. So, I updated virtusertable, generics-domains, genericstable. I am able to send and recive from olduser@1stdomain.com. But I am only able to receive mail from newuser@2nddomain.com, not send from the account. ----- The following addresses had permanent fatal errors ----- (reason: 501 5.1.8 ... Domain of sender address newuser@2nddomain.com does not exist) Following are the files I modified. 2nddomain is the domain I am trying to add Virtusertable ---------------------------------------------------------------------------- newuser@1stdomain.com error:nouser send mail to new@2nddomain.com newuser@2nddomain.com newuser olduser@2nddomain.com error:nouser user not found olduser@istdomain.com olduser generics-domains(copied local-host-names) ---------------------------------------------------------------------------- 1stdomain.com 2nddomain.com genericstable ---------------------------------------------------------------------------- newuser newuser@2nddomain.com olduser olduser@istdomain.com Sundar