I currently have a SBS 2003 that uses the POP3 connector from my ISP. But I am having issues when i send to certain organizations and I get the following message
tarpondscleanup.ca #5.7.1 smtp;554 5.7.1 PTRmissing
I checked with my ISP and they said I would have to create a RDNS entry for my mail server. I did so or at least I think I did it correctly on my SBS. Is the ISP correct in saying this or should the RDNS be done at the ISP level.
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