G2 Vendor Directory

OutboundSMTP vs. Constant Contact

A side-by-side comparison based on G2 review data.

MetricOutboundSMTP

by DuoCircle LLC

Constant Contact

by Constant Contact

Overall rating4.44.1
Review count137,625
Ease of use9.98.7
Ease of setup9.68.8
Quality of support9.28.5
Meets requirements9.78.7
NPS66.66666736.489419
Small Business76.9%70.8%
Mid-Market23.1%22.7%
Enterprise0.0%6.5%
Total page views296,083
Total LLM citations1025,562

OutboundSMTP

A High Performance Outbound SMTP Service. Perfect for Improved Deliverability and getting your email into the inbox. 24x7 live technical support, great track record of excellent client satisfaction.

Pros

    Constant Contact

    Go from prompt to progress with the new Constant Contact Make your business impossible to miss with AI-powered email, social, SMS, and more that drive real growth. Whether you're building your brand from the ground up or managing your marketing across teams, locations, and accounts, we have everything you need to get your business seen. Build in one spot: Describe the marketing assets you want, have them made for you, then customize and review — all in one conversation.

    Pros

    • Ease of Use
    • Easy Creation
    • Email Marketing
    • Simple
    • Helpful
    • User-Friendly