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How can I fix my Exchange 2007 outgoing mail from being blocked due to SPF

All of a sudden many of my companies emails are being blocked by Hotmail and many others due to SPF. I've added v=spf1 ip4:66.49.60.115 a mx:hpdist.com ~all to my DNS settings as a TXT record. But ...
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1answer
112 views

SFP record setup for single server

I have a single server Domain: mycompany.com Server: mail.mycompany.com MX: mail.mycompany.com Would this record work "v=spf1 ip4:38.28.xx.yy a:mail.mycompany.com mx:mail.mycompany.com ~all" ...