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Sender Review

Worth it

Should I use Sender?

Email marketing, automation, transactional emails, 24/7 support — Sender is built for growing businesses. Free for 2,500 subscribers and 15,000 emails/month. - sender.net

· 1 month ago

Buy if you're a small business or startup wanting affordable email marketing with automation — the free tier is genuinely usable at 2,500 subscribers. Skip it if you need deep enterprise automation, high-volume deliverability management, or formal security compliance.

Confidence

Medium. Based on ~10 usable public sources. Many search results were irrelevant (snowboards, film reviews, crypto) and excluded. Review snippets were truncated, so quotes are partial.

Ratings

  • Value for money
  • Ease of use
  • Feature depth
  • Support quality
  • Security posture

Pricing

$0

Free

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed
Free tierYes
StandardNot stated in sources

Best for

  • Small businesses on a budget
  • Startups growing an email list under 2,500
  • Ecommerce stores needing basic automation
  • WordPress sites (plugin available)

Not for

  • Enterprises needing complex lifecycle orchestration — reviewers call Sender an entry point
  • High-volume senders needing dedicated IPs and deliverability engineering
  • Teams requiring SOC 2 or published security documentation
  • Buyers wanting multi-seat collaboration — Standard tier has just 3 role seats

Gotchas - check before you buy

high

CVE-2026-59537: SQL injection in the Sender WordPress newsletter plugin — update or remove it.

medium

Free plan caps at 2,500 subscribers and 15,000 monthly emails; growth pushes you to paid Standard.

medium

No public security page found in sources reviewed; compliance buyers have little to verify against.

low

Standard tier includes only 3 role-based seats; larger marketing teams will hit limits.

Pros and cons

Pros

  • Free plan: 2,500 subscribers and 15,000 emails per month
  • Reviewers say it nails the basics and is easy to use
  • TechRadar: delivers real value for small businesses
  • 24/7 support advertised
  • Covers email, SMS, automation, and transactional sends in one tool

Cons

  • Entry-point positioning; not built for advanced automation needs
  • No public security or trust page found
  • Companion WordPress plugin had a SQL injection CVE

Sources & method

- 10 sources - One SQL injection CVE (2026-59537) affects the Sender WordPress plugin; no security page found.

official x1review x6security x2news x1
  • CVE-2026-59537 — SQL injection in Sender newsletter plugin, A SQL injection vulnerability was reported in the Sender newsletter WordPress plugin; details listed in NVD and VulDB.

Key stats

  • Value for money: 5/5

    Rating

  • $0

    Starting price

  • 10

    Sources

  • Analyzed

  • Value for money: 5/5. Free tier; reviewers call it real value
  • Ease of use: 4/5. Reviewers: nails the basics
  • Feature depth: 3/5. Entry-point positioning, basics-focused
  • Support quality: 4/5. 24/7 support advertised; Trustpilot feedback present
  • Security posture: 2/5. SQLi CVE in WP plugin; no security page
  • Yes Free tier 2,500 subscribers / 15,000 emails monthly
  • 180,000 Customers per Helply case study
  • 24/7 Support advertised on official site
  • 4 platforms Review coverage G2, Capterra, Trustpilot, SoftwareAdvice

Pricing

Free

$0

  • 2,500 subscribers
  • 15,000 emails/month

Standard

Not stated in sources

  • 3 role-based seats
  • Paid subscriber-based pricing

Security

One SQL injection CVE (2026-59537) affects the Sender WordPress plugin; no security page found.

  • CVE-2026-59537 — SQL injection in Sender newsletter pluginA SQL injection vulnerability was reported in the Sender newsletter WordPress plugin; details listed in NVD and VulDB.⁸
Full analysis

Based on ~10 usable public sources. Many search results were irrelevant (snowboards, film reviews, crypto) and excluded. Review snippets were truncated, so quotes are partial.

Budget email tool that nails the basics for small teams; free to 2,500 subs, but entry-level depth and a WP plugin CVE.

Methodology

Based on ~10 usable public sources. Many search results were irrelevant (snowboards, film reviews, crypto) and excluded. Review snippets were truncated, so quotes are partial.

Read how a report is made.

Sources

  1. Sender — official site and pricingsender.net
    official
  2. Sender Review (2026): 12 Months In Useencharge.io
    review
  3. Sender review 2026 — TechRadartechradar.com
    review
  4. Sender Review: Is It the Best Email Marketing Software?onsaas.me
    review
  5. Sender.net Reviews — G2g2.com
    review
  6. Sender Reviews — Capterracapterra.com
    review
  7. Sender.net — Trustpilottrustpilot.com
    review
  8. CVE-2026-59537 Detail — NVDnvd.nist.gov
    security
  9. CVE-2026-59537 in Sender Plugin — VulDBvuldb.com
    security
  10. Sender.net had 180,000 customers — Helply case studyhelply.com
    news

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