High IP and domain reputation is key to getting your emails delivered to recipients' inboxes. That is why we meticulously maintain high reputation of our IP addresses and employ SPF and DKIM authentication to ensure the deliverability of
Sending speed is crucial for a timely delivery, especially for businesses with massive subscriber lists. We operate powerful hardware to make sure that your newsletters are delivered in the shortest time possible.
SENDER integrates feedback loop system with major email service providers, such as Outlook/Hotmail, Yahoo, AOL and others. This allows us to get instant notifications when someone marks your email as spam and take corrective actions.