i think jira cannot handle this.
but JEMH does.
we use it in our installation as well. works like a charm.
you're able to allow/block sender domains and lots of other parameters.
oh my bad...i didn't see you are using OnDemand.
unless you're not able to install plugins i suppose this is impossible then
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG
We're bringing product updates and pro tips on teamwork to ten cities around the world.Save your spot