swaks

A scriptable, transaction-oriented SMTP test tool

Command-line tool · by John Jetmore · jetmore.org

Open swaks in AirStack

What swaks’s own pages say

What it says it doesA scriptable, transaction-oriented SMTP test tool jetmore.org
Free planYes jetmore.org
Open sourceYes jetmore.org
LicenseIt is free to use and licensed under the GNU GPLv2. jetmore.org

Each value is a quote AirStack found on the product’s own pages, read 2026-11-05. A missing field means AirStack has not found it on its pages.