86smopuim Posted July 23, 2004 Share Posted July 23, 2004 mail from ponyshow.com is being rejected as 501 5.7.1 <xxxxxxx@ponyshow.com>... Sender IP must resolve are you using reverse name resolution for spam blocking? If so, it might not be a good idea. 0 Quote Link to comment Share on other sites More sharing options...
junk2drive Posted July 23, 2004 Share Posted July 23, 2004 my email provider rejects anything that it cannot detect the sending ip address. aint technology grand. 0 Quote Link to comment Share on other sites More sharing options...
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