URIBL Greylist

I've just ran a test on an email, and one of the server spam filters (I can't remember which one, and it seems to have disappeared now) has reported that the domain cmail1.com is listed on the URIBL Greylist.

I'm sure you're already aware of this and are taking steps to fix it, but how does it affect deliverability of my saved campaign?

Should I wait until it's fixed or is it worth ignoring it?



Sorry, I should add that I checked uribl.com and it did confirm that cmail1.com was listed on it's greylist

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