Best double opt in plugins for WordPress
The most popular double opt in plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Double Opt-In for Contact Form 7 leads with 1K+ active installs, ahead of Mailster Gravity Forms (800+) and smartest.email (fewer than 10). All 11 plugins tagged “double opt in” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 10 double opt in plugins
- 1.
Double Opt-In for Contact Form 7The most installed double opt in plugin, with 1K+ active installs. Rated 5.0 from 9 reviews, updated 3 weeks ago.
- 2.
Mailster Gravity Forms800+ active installs. Only 4 reviews so far, updated 3 weeks ago.
- 3.
smartest.emailFewer than 10 active installs. No reviews yet, updated 1 week ago.
- 4.maennchen1 Newsletter Germany Signup
Fewer than 10 active installs. No reviews yet, updated 5 days ago.
- 5.
Hafenstudios LeadlotseFewer than 10 active installs. Only 3 reviews so far, updated 4 weeks ago.
- 6.
Australcode Email MarketingFewer than 10 active installs. No reviews yet, updated 2 weeks ago.
- 7.Aplose Newsletter
Fewer than 10 active installs. No reviews yet, updated 5 days ago.
- 8.
MDO LiteFewer than 10 active installs. No reviews yet, updated 2 months ago.
- 9.
ITSM NewsletterFewer than 10 active installs. No reviews yet, updated 2 weeks ago.
- 10.maennchen1 Newsletter Germany
Fewer than 10 active installs. No reviews yet, updated 1 week ago.
All 11 plugins tagged “double opt in”

Double Opt-In for Contact Form 7
Up in the last 7 days:156#6,275by Forge12 Interactive GmbH25 days ago
Protect your Contact Form 7 forms with GDPR-compliant Double Opt-In. Ensure valid emails, prevent fake signups, and stay compliant.
- Installs
- 1K+
- Rating
- 5.0(9)
- Downloads
- 52/day

Mailster Gravity Forms
#7,605by EverPress21 days ago
Connect Gravity Forms to Mailster with field mapping, mailing list assignment, conditional signup, and double opt-in.
- Installs
- 800+
- Rating
- 4.3(4)
- Downloads
- 20/day

smartest.email
Down in the last 7 days:5,567#57,350by smartestemail13 days ago
Connect WordPress to smartest.email and publish accessible newsletter signup forms with explicit consent and email confirmation.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
maennchen1 Newsletter Germany Signup
#57,653by maennchen1.de5 days ago
Newsletter signup form that sends the address to wpNewsletterGermany Pro on another WordPress website.
- Installs
- <10
- Rating
- –
- Downloads
- 65/day

Hafenstudios Leadlotse
Up in the last 7 days:9,737#59,894by hafenstudios28 days ago
Build forms from purpose templates, collect leads in a WordPress inbox and confirm sign-ups by email. GDPR tools included.
- Installs
- <10
- Rating
- 5.0(3)
- Downloads
- 0/day

Australcode Email Marketing
#64,375by australcode17 days ago
Self-hosted email marketing for WordPress — send newsletters from your own server, with double opt-in, one-click unsubscribe, and no monthly fees.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
Aplose Newsletter
Down in the last 7 days:20,006#69,127by Olivier5 days ago
Newsletter signup with double opt-in confirmation email and Mautic segment sync.
- Installs
- <10
- Rating
- –
- Downloads
- 3/day

MDO Lite
Down in the last 7 days:692#69,280by Markus Fröndhoff2 months ago
Double opt-in for Divi contact forms. Requests are forwarded only after the visitor confirms their email address.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day

ITSM Newsletter
Down in the last 7 days:11,713#73,453by itservicesmertineit16 days ago
Create and send newsletters from your WordPress website with double opt-in, subscriber management and optional WooCommerce welcome coupons.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
maennchen1 Newsletter Germany
Down in the last 7 days:5,373#73,515by maennchen1.de9 days ago
Send newsletters from your own WordPress. Subscribers stay in your database, mail goes out over your own server.
- Installs
- <10
- Rating
- –
- Downloads
- 11/day
OZD Newsletter Manager
#73,992by Sadık Özdoğan1 month ago
Create accessible newsletter forms, manage subscribers, use double opt-in, and back up subscriber data as CSV or JSON.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day