What AI assistants recommend when buyers ask about self-hosted email marketing platforms — measured weekly across engines, published as open data.
Sample: 49 AI answers · Window: May 21, 2026 – Jun 18, 2026 (4-week rolling)
| # | Product | Share | Trend | Engines | |
|---|---|---|---|---|---|
| 1 | Mautic mautic.org | 83.7% avg pos 3.7 | — | CHATGPT 100%CLAUDE 100%PERPLEXITY 61.9% | Claim |
| 2 | Listmonk | 71.4% avg pos 6.5 | — | CHATGPT 61.9%CLAUDE 100%PERPLEXITY 71.4% | Claim |
| 3 | Mailtrain | 61.2% avg pos 7.1 | — | CHATGPT 95.2%CLAUDE 42.9%PERPLEXITY 33.3% | Claim |
| 4 | phpList | 44.9% avg pos 8.6 | — | CHATGPT 76.2%PERPLEXITY 28.6% | Claim |
| 5 | Postfix | 30.6% avg pos 7.7 | — | CHATGPT 52.4%CLAUDE 14.3%PERPLEXITY 14.3% | Claim |
| 6 | Sendy | 30.6% avg pos 7.7 | — | CHATGPT 52.4%PERPLEXITY 19% | Claim |
| 7 | MailWizz | 28.6% avg pos 3 | — | CHATGPT 14.3%CLAUDE 14.3%PERPLEXITY 47.6% | Claim |
| 8 | SendPortal sendportal.io | 28.6% avg pos 6.4 | — | CHATGPT 19%CLAUDE 14.3%PERPLEXITY 42.9% | Claim |
| 9 | AWS SNS aws.amazon.com | 28.6% avg pos 10.1 | — | CHATGPT 38.1%CLAUDE 28.6%PERPLEXITY 19% | Claim |
| 10 | Keila | 24.5% avg pos 3.3 | — | CLAUDE 42.9%PERPLEXITY 42.9% | Claim |
| 11 | OpenEMM | 14.3% avg pos 11.4 | — | CHATGPT 33.3% | Claim |
| 12 | CiviCRM | 14.3% avg pos 17.6 | — | CHATGPT 33.3% | Claim |
| 13 | Exim | 12.2% avg pos 3.6 | — | CHATGPT 14.3%CLAUDE 14.3%PERPLEXITY 9.5% | Claim |
| 14 | Postal postal.io | 12.2% avg pos 11.7 | — | CHATGPT 14.3%CLAUDE 42.9% | Claim |
| 15 | Mailcoach mailcoach.app | 10.2% avg pos 2 | — | PERPLEXITY 23.8% | Claim |
| 16 | Sendmail | 10.2% avg pos 3 | — | CHATGPT 14.3%CLAUDE 14.3%PERPLEXITY 4.8% | Claim |
| 17 | nuevoMailer nuevomailer.com | 10.2% avg pos 4 | — | PERPLEXITY 23.8% | Claim |
| 18 | Mailman mailman.org | 10.2% avg pos 13.6 | — | CHATGPT 19%CLAUDE 14.3% | Claim |
| 19 | Gophish getgophish.com | 10.2% avg pos 19 | — | CHATGPT 23.8% | Claim |
| 20 | Acelle Mail | 8.2% avg pos 2.3 | — | CLAUDE 14.3%PERPLEXITY 14.3% | Claim |
| 21 | FluentCRM fluentcrm.com | 8.2% avg pos 5 | — | CLAUDE 14.3%PERPLEXITY 14.3% | Claim |
| 22 | Amazon SES | 8.2% avg pos 9.3 | — | PERPLEXITY 19% | Claim |
| 23 | evoMailer evomailer.com | 8.2% avg pos 11 | — | PERPLEXITY 19% | Claim |
| 24 | Mailcow mailcow.email | 8.2% avg pos 11.5 | — | CHATGPT 14.3%PERPLEXITY 4.8% | Claim |
| 25 | SendGrid sendgrid.com | 8.2% | — | CHATGPT 4.8%CLAUDE 28.6%PERPLEXITY 4.8% | Claim |
| 26 | Unsend | 6.1% avg pos 3 | — | PERPLEXITY 14.3% | Claim |
| 27 | Agnitas | 6.1% avg pos 6 | — | PERPLEXITY 14.3% | Claim |
| 28 | Octeth | 6.1% avg pos 6 | — | CLAUDE 14.3%PERPLEXITY 9.5% | Claim |
| 29 | Mailchimp's Subject Line Helper mailchimp.com | 6.1% | — | CHATGPT 9.5%CLAUDE 14.3% | Claim |
| 30 | Mailgun mailgun.com | 6.1% | — | CLAUDE 28.6%PERPLEXITY 4.8% | Claim |
| 31 | DigitalOcean digitalocean.com | 4.1% avg pos 1 | — | CHATGPT 4.8%PERPLEXITY 4.8% | Claim |
| 32 | Agnitus | 4.1% avg pos 6 | — | PERPLEXITY 9.5% | Claim |
| 33 | Dovecot | 4.1% avg pos 6.5 | — | CHATGPT 4.8%PERPLEXITY 4.8% | Claim |
| 34 | Billionmail | 4.1% avg pos 8 | — | CLAUDE 14.3%PERPLEXITY 4.8% | Claim |
| 35 | Let's Encrypt letsencrypt.org | 4.1% avg pos 14 | — | CHATGPT 4.8%PERPLEXITY 4.8% | Claim |
| 36 | Mailchimp | 4.1% | — | PERPLEXITY 9.5% | Claim |
| 37 | Sendinblue sendinblue.com | 4.1% | — | PERPLEXITY 9.5% | Claim |
| 38 | hMailServer | 2% avg pos 2 | — | CHATGPT 4.8% | Claim |
| 39 | qmail | 2% avg pos 3 | — | PERPLEXITY 4.8% | Claim |
| 40 | AWS SES | 2% avg pos 5 | — | PERPLEXITY 4.8% | Claim |
| 41 | Microsoft Exchange Server | 2% avg pos 5 | — | CHATGPT 4.8% | Claim |
| 42 | NovoMailer | 2% avg pos 5 | — | PERPLEXITY 4.8% | Claim |
| 43 | Postorius | 2% avg pos 7 | — | CHATGPT 4.8% | Claim |
| 44 | Modoboa | 2% avg pos 8 | — | PERPLEXITY 4.8% | Claim |
| 45 | iRedMail | 2% avg pos 8 | — | PERPLEXITY 4.8% | Claim |
| 46 | mail-in-a-box | 2% avg pos 8 | — | PERPLEXITY 4.8% | Claim |
| 47 | RainLoop rainloop.net | 2% avg pos 9 | — | CHATGPT 4.8% | Claim |
| 48 | Drupal drupal.org | 2% avg pos 12 | — | CHATGPT 4.8% | Claim |
| 49 | WordPress wordpress.com | 2% avg pos 12 | — | CHATGPT 4.8% | Claim |
| 50 | Cuttlefish | 2% avg pos 13 | — | CHATGPT 4.8% | Claim |
| 51 | ClamAV | 2% avg pos 18 | — | PERPLEXITY 4.8% | Claim |
| 52 | Rspamd | 2% avg pos 18 | — | PERPLEXITY 4.8% | Claim |
| 53 | Maileroo | 2% avg pos 20 | — | PERPLEXITY 4.8% | Claim |
| 54 | SMTP2GO | 2% avg pos 20 | — | PERPLEXITY 4.8% | Claim |
| 55 | Elastic Mail | 2% avg pos 22 | — | PERPLEXITY 4.8% | Claim |
| 56 | Wildduck | 2% avg pos 25 | — | CHATGPT 4.8% | Claim |
| 57 | MXToolbox mxtoolbox.com | 2% avg pos 29 | — | CLAUDE 14.3% | Claim |
| 58 | ActiveCampaign activecampaign.com | 2% | — | PERPLEXITY 4.8% | Claim |
| 59 | Brevo brevo.com | 2% | — | PERPLEXITY 4.8% | Claim |
| 60 | Campaigner | 2% | — | CLAUDE 14.3% | Claim |
| 61 | Caramel | 2% | — | CLAUDE 14.3% | Claim |
| 62 | CiviMail | 2% | — | CHATGPT 4.8% | Claim |
| 63 | Docker docker.com | 2% | — | PERPLEXITY 4.8% | Claim |
| 64 | Docker Mailserver | 2% | — | PERPLEXITY 4.8% | Claim |
| 65 | Ghost ghost.org | 2% | — | CLAUDE 14.3% | Claim |
| 66 | HubSpot CRM hubspot.com | 2% | — | PERPLEXITY 4.8% | Claim |
| 67 | NodeMailer | 2% | — | CLAUDE 14.3% | Claim |
| 68 | Odoo odoo.com | 2% | — | CHATGPT 4.8% | Claim |
| 69 | Oempro | 2% | — | CLAUDE 14.3% | Claim |
| 70 | Postfixadmin | 2% | — | CHATGPT 4.8% | Claim |
| 71 | Postmark postmarkapp.com | 2% | — | CLAUDE 14.3% | Claim |
| 72 | SuiteCRM suitecrm.com | 2% | — | CLAUDE 14.3% | Claim |
Independence: Orbator customers are badged for disclosure. Customer status does not affect prompts, sampling, extraction, or ranking — see the methodology. Your product on this list? Claim it to see the prompts behind your rank and track it weekly.
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