public IPs of CM's mail servers?

One of our clients is about to turn on a spam filter that blocks all incoming emails that don't originate from whitelisted IPs. "ping" says that and are both

Are there any others I should hand over for them to whitelist?

And also, in case our B2B clients ask, what enterprise spam filter companies (Postini, for example) does Campaign Monitor work with to prevent being blacklisted?


Dave Dave, 10 years ago

Hey Morley,

You can check out our IP range here. You'll be pleased to know we consistently test our delivery through enterprise spam firewalls and all blacklists on a daily basis.

We're also releasing a tool in the next week or two that will make it very easy for you to test your campaign against all of the popular spam filters and gateways before sending your campaign.

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