I think you have run into a mail security problem. Because an outgoing
(SMTP) server requires no password, anyone can send mail through it,
including spammers. To stop this, system admins use various methods, eg
requiring that send mail within (say) 10 minutes of picking up mail. It
looks like your ISP has just instituted an
IP-to-domain security check of some sort. Talk to them and see if
they offer a solution.
Phil
Patrick Griffin wrote:
> Over the past couple of days I have been having problems sending mail
> if I remove the lan cable from the stn box and run my pc in standalone
> with its own modem mail inbound and outbound is fine. With my stn box
> running I can receive mail but not send below is the error message
> although I have removed the e mail address i sent it to. Hope someone
> can help.
>
> The message could not be sent because one of the recipients was
> rejected by the server. The rejected e-mail address was *.*
> Subject 'test', Account: 'Pats Mail',
> Server: 'mail.webexplorers.com.au', Protocol: SMTP, Server
> Response: '550 relaying to <*.*> prohibited by administrator (failed to
> find host name from IP address)', Port: 25, Secure(SSL): No, Server
> Error: 550, Error Number: 0x800CCC79
>
>
>
> Regards Patrick Griffin
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