Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Head-to-head · Mailing List Management Software

Mailman vs Google Groups Collaborative Inbox

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Mailman #4 in Mailing List Management Software 8.6/10 Free plan Free plan✓ 0 of 5 features Visit Mailman
Google Groups Collaborative Inbox #6 in Mailing List Management Software 7.9/10 Free plan Free plan✓ 0 of 5 features Visit Google Groups

Mailman leads on 0 checks, Google Groups Collaborative Inbox on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreMailman · 8.6/10
  • Free planboth

Mailman scores higher on our rubric for mailing list management software: 8.6 against 7.9 out of 10; our editors rank them #4 and #6.

Mailman is the better fit for teams needing established, self-hosted list administration. Google Groups Collaborative Inbox is the better fit for teams triaging group email as a shared inbox.

  • Mailman fits best

    Teams needing established, self-hosted list administration

  • Google Groups Collaborative Inbox fits best

    Teams triaging group email as a shared inbox

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature Mailman 8.6/10 Visit ↗ Google Groups Collaborative Inbox 7.9/10 Visit ↗
At a glance
Editor score 8.6 7.9
Ranking #4 in Mailing List Management Software #6 in Mailing List Management Software
Best for Teams needing established, self-hosted list administration Teams triaging group email as a shared inbox
Pricing model Free Free plan + paid
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud
Platforms Web, Linux, macOS Web
Support Community, Docs Docs, Community
Built for Small business, Mid-market, Enterprise Solo, Small business, Mid-market, Enterprise
Features Mailman 0/5 · Google Groups Collaborative Inbox 0/5
Moderation controls Not published Not published
Subscriber preferences Not published Not published
Self-hosted option Not published Not published
Message archives Not published Not published
Signup forms Not published Not published
Specs
List modes Not published Not published
Our review
Pros
  • Manages subscribers and mailing lists with a web-based administration interface
  • Includes web-based message archives, digest scheduling and email subscription commands
  • Offers an administrative REST API and integrates with four mail-transfer agents
  • Assign or volunteer for conversations and track their resolution status
  • Shared labels and searches by assignee or resolution status aid triage
  • Group permissions control who can take inbox actions
Cons
  • Self-hosted deployment requires teams to manage the software environment
  • Focused on list administration rather than broader campaign features
  • Support is through community resources and documentation
  • Focused on shared-inbox triage, not subscriber or campaign management
  • Collaborative Inbox requires conversation history on the Google Group
  • Work or school accounts need Groups for Business to enable these features
Our verdict

Mailman is an open-source mailing list management system for organizations, communities and technical administrators. Its core purpose is administering lists and memberships, with web-based tools for administrators and archives for…

Read the review →

Google Groups Collaborative Inbox helps teams manage messages sent to a group address. Members with the right permissions can take conversations, assign them to colleagues, or mark them complete, duplicate, or needing no action. It suits…

Read the review →
  1. MailmanMailing List Management Software 8.6Free plan
  2. Google Groups Collaborative InboxMailing List Management Software 7.9Free plan

Strengths and trade-offs

  • Mailman — where it wins

    • Manages subscribers and mailing lists with a web-based administration interface
    • Includes web-based message archives, digest scheduling and email subscription commands
    • Offers an administrative REST API and integrates with four mail-transfer agents

    Where it doesn't

    • Self-hosted deployment requires teams to manage the software environment
    • Focused on list administration rather than broader campaign features
    • Support is through community resources and documentation

  • Google Groups Collaborative Inbox — where it wins

    • Assign or volunteer for conversations and track their resolution status
    • Shared labels and searches by assignee or resolution status aid triage
    • Group permissions control who can take inbox actions

    Where it doesn't

    • Focused on shared-inbox triage, not subscriber or campaign management
    • Collaborative Inbox requires conversation history on the Google Group
    • Work or school accounts need Groups for Business to enable these features

More comparisons

All mailing list management software comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update