exchange 2007 cant send email to @icloud.com email addresses

Hi Experts

I have an issue where I cant send email to anyone with an apple email address (@mac, @icloud and @me.com) There is no bounce back and the email dosent go to the junk folder. We are using exchange 2007, I have checked the reverse dns, spf records, black lists and they all seem fine. Exchange message tracking shows the email as delivered, we don't have any issues with any other addresses. Is there a tool I can use to test everything is set-up correctly?
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coreccAsked:
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coreccConnect With a Mentor Author Commented:
I have finally won my month long battle with Apple, after our domain name was black listed. We are a medium size accountancy company in the UK with many customers who have apple email accounts, earlier this year we noticed all clients with Apple accounts were not receiving our email. The mail wasn’t going into their spam folder and we were not getting a bounce back. At first we had assumed our exchange server must be misconfigured in some way, after a thorough review we could see the issue was not with our setup so I then contacted Apple and went around in circles for weeks trying to prove the fault was not at our end. I eventually proved the fault was with apple when I had the eureka idea, to try emailing an apple account from a Hotmail account but include our domain name in the content of the email, sure enough this was also silently filtered out, with no bounce back. At this point apple had to except the fault was not with our mail server, a few days later apple resolved the issue and admitted that the domain had been black listed.
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Manoj BojewarCommented:
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coreccAuthor Commented:
Thanks for your suggestion, however this is still a problem. We are fairly certain it is due to being blacklisted at Apple's end although we are waiting to hear from them.
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Manoj BojewarCommented:
Try to create new send connector for this domain address and route through different ISP.
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coreccAuthor Commented:
worked with apple support to resolve
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