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features
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support

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Description

Mailtrap is an email API and SMTP service provider built for developer and product teams. It is designed to send transactional and bulk emails with a strong focus on high deliverability rates and reliable performance. Quick integration is enabled through official SDKs for major programming languages, ready-to-use code snippets, and extensive resources, including broad documentation, blog guides, and video tutorials. The platform is backed by 24/7 support from a team of engineers and deliverability experts. Mailtrap’s robust infrastructure is built to handle high-volume sending, allowing businesses to scale confidently. High inboxing rates are ensured with features like dedicated IPs, auto warm-up, separate sending streams, and multi-tenant accounts.

Description

SMTP Senpai, offered by MailSenpai, serves as the SMTP relay for emails generated by your applications, websites, and tools, handling everything from sign-ups and password resets to order confirmations, notifications, and contact forms. You can connect using standard SMTP (port 2525 or 587 with STARTTLS), a REST API that provides JSON responses, or a dedicated form endpoint suitable for web forms, even on static sites. All outgoing emails are DKIM-signed using your own domain, for which we supply the necessary DNS records and verify them on your behalf. Automatically, we suppress bounced addresses, maintain a 90-day log of all sent emails, and provide you with a comprehensive weekly report. Rather than suspending your account upon exceeding a certain threshold, we issue a warning and guide you on what needs to be addressed. Our servers and data operations are based in the EU, and we offer support in both Italian and English through tickets and email. Try us out with a 14-day free trial that requires a card for registration (you can cancel anytime), and then continue with plans starting at €12.90 per month for up to 10,000 emails on an annual subscription. This service ensures reliable email delivery while offering flexibility and support for your communication needs.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Laravel Yes 
Node.js Yes 
Supabase Yes 
n8n Yes 
AccessOwl Yes 
Bolt.new Yes 
Cursor Yes 
Devin Desktop Yes 
Django No 
Elixir Yes 
Java Yes 
Magento No 
MaxBulk Mailer Yes 
PrestaShop No 
Python Yes 
Ruby Yes 
Stripo.email Yes 
Vercel Yes 
Visual Studio Code Yes 
Zapier Yes 

Integrations

Laravel Yes 
Node.js Yes 
Supabase Yes 
n8n Yes 
AccessOwl No 
Bolt.new No 
Cursor No 
Devin Desktop No 
Django Yes 
Elixir No 
Java No 
Magento Yes 
MaxBulk Mailer No 
PrestaShop Yes 
Python No 
Ruby No 
Stripo.email No 
Vercel No 
Visual Studio Code No 
Zapier No 

Pricing Details

$15/month
Mailtrap offers transparent and flexible plans to cover the needs of your business, separated into Email API/SMTP (includes Email Marketing) and Email Sandbox.

Email API/SMTP - send transactional & promo emails
- Free: 3,5K emails/mo
- Basic: from $15/mo and from 10,000 emails
- Business: from $85/month and from 100,000 emails
- Enterprise: from $750/month and from 1.5 million emails
- Custom: Tailored for high-volume senders with dedicated support.

Email Sandbox - test your emails
- Free: 50 test emails/mo
- Basic: $17/mo (or $14/mo, billed annually)
- Team: $42/mo (or $34/mo, billed annually)
- Business: $123/mo (or $99/mo, billed annually)
- Enterprise: $498/mo (or $399/mo, billed annually)
Free Trial No 
Free Version Yes 

Pricing Details

Free
Permanent free plan: 5,000 emails per calendar month, up to 200 per day and 30 in the preceding hour; one verified sender domain; 7-day sending logs; no card or expiry. Paid annual plans start at EUR 12.90/month plus VAT for 10,000 emails/month, with 90-day sending logs. The free plan does not automatically become a paid subscription.
Free Trial No 
Free Version Yes 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Deployment

Web-Based Yes 
On-Premises No 
iPhone App No 
iPad App No 
Android App No 
Windows No 
Mac No 
Linux No 
Chromebook No 

Customer Support

Business Hours No 
Live Rep (24/7) Yes 
Online Support Yes 

Customer Support

Business Hours No 
Live Rep (24/7) No 
Online Support Yes 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) Yes 
In Person No 

Types of Training

Training Docs Yes 
Webinars No 
Live Training (Online) No 
In Person No 

Vendor Details

Company Name

Railsware

Founded

2007

Country

United States

Website

mailtrap.io

Vendor Details

Company Name

MailSenpai

Founded

2016

Country

Italy

Website

en.mailsenpai.com/smtp-senpai/

Product Features

Email Deliverability

DMARC Analytics Yes 
Deliverability Alerts Yes 
Deliverability Reporting Yes 
Email Address Verification Yes 
Email Content Testing Yes 
Email Previewing Yes 
IP Blacklist Monitoring Yes 
Inbox Placement Testing Yes 
Reputation Reporting Yes 

Email Testing

A/B Testing No 
Accessibility Testing Yes 
DMARC Analytics Yes 
Deliverability Rates Yes 
HTML Validation Yes 
IP Blacklist Checking Yes 
Improvement Recommendations Yes 
Pre-Send Email Testing Yes 
Preview Across Browsers & Devices Yes 
Reporting / Analytics Yes 
Sender Reputation Scoring Yes 
Spam Testing Yes 

Product Features

Email Deliverability

DMARC Analytics No 
Deliverability Alerts No 
Deliverability Reporting No 
Email Address Verification No 
Email Content Testing No 
Email Previewing No 
IP Blacklist Monitoring No 
Inbox Placement Testing No 
Reputation Reporting No 

Transactional Email

SMTP Senpai facilitates the delivery of transactional emails for applications, websites, e-commerce platforms, and business software, handling tasks such as user registrations, password recovery, order confirmations, invoices, alerts, and contact submissions. It operates using standard SMTP on ports 2525 or 587, a RESTful API, or a form submission endpoint. The service includes DKIM setup for your domain, a 90-day email activity log, automatic management of bounces and complaints, with all servers and data housed in the EU.

A/B Testing No 
Contact Database No 
Dynamic Content No 
Email Monitoring Yes 
Mailing List Management No 
Reporting/Analytics Yes 
Spam Check No 
Template Management No 

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