IP Address Blocked for SMTP, Server or Account IP?

Mike Nuss mike.nuss at ammasso.com
Mon Mar 21 19:29:28 UTC 2005

Al Franz wrote:
> Thought someone in the BIND group would be best to answer my question.
> My ISP server I have my account on is not delivering sent mail to
> or hotmail.com email addresses.  This server has an IP address and I
> an account that has it's own IP address on this server.  Which IP
> is Microsoft blocking most likely?  The IP address of the server or
> SMTP run under each individual accounts IP address if they have one?

This would be a much easier question to answer with real IP addresses
instead of speculation.  Have you checked to see if your addresses are
listed on any RBLs?

Mike Nuss

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