SMTP Senpai

SMTP Senpai

MailSenpai
+
+

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About

EmailShield is an email verification and deliverability platform that guarantees 99.8% verified accuracy through real SMTP handshakes — not DNS-only lookups used by legacy tools. Multi-step verification includes syntax checks, MX record validation, and real-time mailbox existence confirmation without sending actual emails. Bulk processing handles up to 100,000 emails per minute. The platform runs on self-hosted proxy infrastructure with zero third-party dependencies and rotating egress IPs. Features include 24/7 blacklist monitoring across 100+ global blacklists, DMARC/SPF/DKIM monitoring with AI-based insights, AI data enrichment, and free full scan diagnostics. Single API endpoint with SDKs for Python, Node.js, and PHP. Pricing starts at $19/mo for 10,000 credits with pay-as-you-go from $0.00018 per email — up to 75% cheaper than ZeroBounce, MillionVerifier, and Hunter. SOC 2 Type II, GDPR, and ISO 27001 certified with EU data residency options. 40,000 free credits on sign-up.

About

SMTP Senpai is the SMTP relay by MailSenpai for the emails your apps, websites and tools send: sign-ups, password resets, order confirmations, notifications and contact forms. Connect it via standard SMTP (port 2525, STARTTLS), a REST API with JSON responses, or a form endpoint for website forms, including static sites. Emails are signed with DKIM on your own domain: we provide the DNS records and check them for you. Bounced addresses are suppressed automatically, every email stays in a 90-day sending log and you get a weekly report. We don't suspend your account because a threshold was exceeded: you get a warning and we tell you what to fix. Servers and data in the EU. Human support in Italian and English, by ticket and email. 14-day trial at €0 (card required, cancel anytime), then from €12.90/month for 10,000 emails on the annual plan.

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Not Supported
Mac Not Supported
Linux Not Supported
Cloud Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

SMBs that run outreach, outbound and SDR teams, SaaS companies, Enterprises

Audience

Developers, SaaS and app makers, web agencies and small businesses that need reliable transactional email

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

No images available

Screenshots and Videos

No images available

Pricing

$19/month/10k credits
Free Version Not Supported
Free Trial Not Supported

Pricing

€12.90/month
Free Version Not Supported
Free Trial Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

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Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Not Supported
In Person Not Supported

Company Information

EmailShield
United States
emailshield.co

Company Information

MailSenpai
Founded: 2016
Italy
www.mailsenpai.com/smtp-senpai/

Alternatives

Alternatives

SMTP.com

SMTP.com

Ziff Davis
Sealch

Sealch

Sealch Pro

Categories

Categories

Integrations

No info available.

Integrations

No info available.
Claim EmailShield and update features and information
Claim EmailShield and update features and information
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Claim SMTP Senpai and update features and information