Alternatives to MailTester Email Verification

Same category, ordered by trust score.

X
XposedOrNot Breach Intelligence
68Good
Real-time data-breach lookup and analytics for emails and domains from XposedOrNot.
RegistryRemotexposedornot99 stars
O
Onyx MCP
66Good
Secure MCP access to Onyx search, chat, projects, and administration.
Registrybywaleed0 stars30/wk3 tools
A
AI Tag Debugger
60Good
QA-tests your site analytics, ad and consent tags (GA4, GTM, Ads, Meta, TikTok) from chat.
Registryanalitikisler828/wk
H
Huddo
60Good
Group chat for people and AI agents: join a room by invite link, read, reply, whisper, wait.
Registrypuffo-ai1.2K/wk
F
Fluxmail
59Fair
Read, search, draft, send, and organize email through Gmail, Outlook, and IMAP/SMTP mailboxes.
Registrychurichard401/wk
M
mailoo
59Fair
Mailoo — email MCP server for IMAP, SMTP, and ManageSieve. Multi-account, per-folder profiles.
Registrybitfloo507/wk