Anonymous ← Your Ideas for Plesk My feedback 1 result found Add Firewall rule to block outgoing mail for non-Postfix / non-qmail 59 votes Vote Vote Vote We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Vote We’ll send you updates on this idea open discussion · 7 comments · Feature Suggestions » Plesk (general) · Delete… · Admin → How important is this to you? Not at all You must login first! Important You must login first! Critical You must login first! We're glad you're herePlease sign in to leave feedback Signed in as (Sign out) Close Close Anonymous supported this idea · Jan 23, 2016