Author: Jeremy Harris Date: To: exim-users @ exim. org Subject: Re: [exim] am I an open relay?
Robert Cates wrote: > 2005-09-24 12:25:21 1EIq3C-0002ER-6J SMTP error from remote mailer after
> MAIL FROM:<dfdfdfdfd@???> SIZE=4871: host mx10.mail.tw.yahoo.com
> [202.43.200.99]: 451 VS2-MF5 Excessive unknown recipients - possible Open
> Relay http://help.yahoo.com/help/us/mail/spam/spam-18.html (#4.4.5)
> 217.91.111.75
>
> is this telling me that MY server is suspected of being an open relay? Or
> is it the mx10.mail.tw.yahoo.com server that's a possible open relay?
