Aha! sends notification emails when records change in Aha! - e.g. when changes are made to a feature or an idea. Some Aha! users report that notification emails from Aha! are caught by their email spam filters.
To ensure that Aha! emails are received by your email server there are two measures you can take:
1. Whitelist the @aha.io, @mailer.aha.io, @iad-prod1.mailer.aha.io and @iad-prod2.mailer.aha.io email domains.
2. Whitelist the following IP addresses which Aha! uses to send email: