<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <meta content="text/html;charset=Big5" http-equiv="Content-Type"> <title></title> </head> <body bgcolor="#ffffff" text="#000000"> Les Mikesell wrote: <blockquote cite="mid45D06FCC.8090507@gmail.com" type="cite"><a class="moz-txt-link-abbreviated" href="mailto:edwardspl@ita.org.mo">edwardspl@ita.org.mo</a> wrote: <blockquote type="cite">For disable user's outgoing account : /etc/mail/accessfileputaline : <a class="moz-txt-link-abbreviated" href="mailto:To:user@domain.comERROR:550">To:user@domain.comERROR:550</a> Sorry, user account disabled ! Is it ok for the disabling ? </blockquote> That would disable email inbound to the user. If you omit the To: like <a class="moz-txt-link-abbreviated" href="mailto:user@domain.com">user@domain.com</a> ERROR:550 Sorry, user account disabled ! It will reject sending both to and from the user. </blockquote> Hello, Okay, thank for your help ! Edward. </body> </html>