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Head to head

Outlook vs SMTP

Same numbers we show everywhere else, lined up. Ratings come from users, the grade comes from our scanner, adoption comes from public registries.

Outlookio.github.dockndevai/mcp-outlook
B
No reviews yet

Outlook mail and OneDrive files via Microsoft Graph — read, search, send and organize.

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SMTPio.github.ni-c/smtp-mcp
B
No reviews yet

MCP server that sends mail over SMTP, gated behind an allowlist and a human confirmation

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The short version

Neither has been reviewed yet, so the comparison rests on the scan and the public usage numbers. Both score close on the safety scan (80 and 83 out of 100).

 OutlookSMTP
User ratingNo reviews yetNo reviews yet
Safety gradeB80/100B83/100
AdoptionGrowingGrowing
GitHub stars00
Downloads / week6444
Runs whereYour machine (local)Your machine (local)
Gateway-readyNoNo
Tools—7
Write actions—2
Price per callFreeFree
LicenceMITMIT
Last release2026-09-172026-09-16
CategoryEmailEmail

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