text: 550 relaying mail to verizon.net is not allowed...how do i fix it?   the error message you get indicates, as noted before, you are not representing yourself properly to the outgoing mail server.  if you are using outlook, make sure your outgoing mail server is set to outgoing.verizon.net. that server requires authentication. you can see how to authenticate against an smtp server at these links:  http://dnet.net/techsupport/smtpauthoe.asp  http://support.mcihispeed.net/mu/500/psc/img/walkthroughs/windows_9x_nt/email/outlook_xp/8355.mci.html