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Old 21 Nov 2007, 07:14
Marco van Herwaarden Marco van Herwaarden is offline
 
Join Date: Jul 2004
Even a new dedicated server can have an IP that is blocked. Reason for this is that IP addresses are reused and if an old server (used by whoever) using that address was blocked for spamming then the new servers' IP will still be blocked.

- Check your mailserver logfiles
- Check if your DNS is setup correctly (also create a SPF record)
- Contact the mail providers to find out the real reason your mails get blocked.
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Marco van Herwaarden
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