I have an exchange server which is behind a firewall. We have dynamically assigned IP addresses and have low usage of the link for outgoing mail.
Due to the fact we are a dynamic server i have been experiencing problems relating to blacklisted ips…
Is there any way around this problem other than getting a fixed IP?
I was thinking that there may be a company which relays other companies mail.
Unfortunately my ISP does not support this and will not allow it for some reasons unknown to me.
