G2 Vendor Directory

Sendmarc

#6 in DMARC

Wilmington, US

1

Products on G2

53

Total reviews

4.9

Avg. star rating

  • Sendmarc ranks #6 in DMARC.
  • Reviews across Sendmarc's portfolio grew 900.0% quarter-over-quarter.
  • Sendmarc's 1 product span 3 categories on G2.
  • Small Business is the largest segment among reviewers, at 43.4%.

Traffic & LLM citations

Monthly G2.com page views and citations by AI answer engines, summed across Sendmarc's products.

Page views and citations · Sendmarc

Source: G2 review data

Winning from

Based on reviewers who said they switched from another vendor's product.

1

Cloudflare, Inc.

1 switched
2

ActiveCampaign

1 switched
3

Mimecast

1 switched
4

Proofpoint

1 switched

Losing to

Based on reviewers of other products who said they switched from Sendmarc.

1

PowerDMARC

4 switched
2

Valimail

2 switched

Key stats

+900.0%

#6

3

Small Business

2018

92

Wilmington, US

Adoption by company size

SegmentShare of reviews
Small Business43.4%
Mid-Market35.8%
Enterprise20.8%

Quarterly history

QuarterTotal reviewsAvg. rating
2024 Q415.0
2025 Q215.0
2025 Q31—
2025 Q415.0
2026 Q125.0
2026 Q215.0
2026 Q3104.8