Is Zerosmtp MCP server safe?
Probably. Read the findings first.
Use with care. Some checks failed or could not be verified.
What to know before installing
- highRepository is archived
How Zerosmtp compares
Against every graded Email MCP server, from our own scans and uptime checks. Updated after each scan run.
- Safety score
- 69/100
- higher than 36% of 916 Email servers
- Tools that change things
- 0%
- typical: 25%. Fewer write tools means less an agent can break
What its tools let an agent do: 4 read
Public scan report
scanner v0.1.10 · 2026-10-29 · same rubric, same numbers if you re-run it
1 high
- Code scan5 source files scanned25/25
- –Live reliabilityno gateway calls yet and no remote to proben/a
- –Tool poisoningtools not inspected (local package is not executed); not countedn/a
- Auth qualitylocal package, no credentials required12/15
- Maintenancerepository archived0/15
- Maintainer identityregistry namespace matches repository owner; GitHub account older than a year8/10
Findings (1)
- highRepository is archived
maint.archived
Overall 69/100. Components that don't apply are left out of the denominator. Any critical finding is an F.RubricAppeal a findingJSON
Other servers that do what Zerosmtp does
- Mailoo - Email MCP ServerEmail MCP server for AI agents: IMAP/SMTP, Gmail, Outlook, calendar, ManageSieve, AI triage, OAuth2.5.0(1)GrowingA
three.ws NotificationsRead the inbox, mark items read, manage delivery preferences, and register Web Push devices.not reviewedEstablishedB- ImapIMAP/SMTP MCP server to search, read, organize, send, reply & forward email for AI assistantsnot reviewedEstablishedA
