troubleshooting Question

Adding Access Rules so only specific IP ranges can hit port 25

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Patrick asked on
6 Comments2 Solutions116 ViewsLast Modified:
We have a Cisco ASA Firewall and Exchange 2013. We're utilizing Barracuda's cloud-based SPAM filtering solution but SPAM is still coming in outside of the SPAM filter. Barracuda recommended limiting their IP ranges being the only IPs that can hit port 25 ( and

I know enough to configure but really would love some help on adding the Access Rules on the ASA.

Patrick Bogers
Datacenter platform engineer Lindows

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