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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.

Description

Send up to 5 million emails each hour, with an impressive 99.8% delivery rate to ensure your messages reach their intended recipients. If you believe a dedicated IP is necessary, simply reach out and we will arrange one for you while monitoring the performance and stability of our IP pools. You can begin utilizing our API in just a few minutes, all while remaining GDPR compliant, as there’s no need to upload sensitive data; just send an email request and receive statistical feedback. UniOne ensures that no personal data is retained on our servers, allowing you to track your email statistics effectively, including delivery rates, opens, clicks, and unsubscriptions, for better contact management. Should you experience lower than expected results, UniOne is ready to offer suggestions for improvement. Additionally, if you are nearing the limit of your plan, our system will notify you before it expires, and you can easily add multiple email addresses to keep your IT team informed with the latest reports. With these features, you can enhance your email marketing strategy and ensure that your communications remain effective and compliant.

API Access

Has API Yes 

API Access

Has API Yes 

Screenshots View All

Screenshots View All

Integrations

Albato No 
Bloomreach No 
Django Yes 
Drupal No 
FastTrack No 
JavaScript No 
Laravel Yes 
Magento Yes 
Node.js Yes 
PHP No 
Postman No 
PrestaShop Yes 
Ruby No 
SMTP Debug Tool No 
Supabase Yes 
WooCommerce Yes 
WordPress Yes 
Zapier No 
n8n Yes 

Integrations

Albato Yes 
Bloomreach Yes 
Django No 
Drupal Yes 
FastTrack Yes 
JavaScript Yes 
Laravel No 
Magento No 
Node.js No 
PHP Yes 
Postman Yes 
PrestaShop No 
Ruby Yes 
SMTP Debug Tool Yes 
Supabase No 
WooCommerce No 
WordPress No 
Zapier Yes 
n8n No 

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 

Pricing Details

$4/month/6,000 emails
Free version allowing you to send up to 100 emails daily to your confirmed domains;
Free trial with 4 months of sending 6,000 emails to any email addresses.
Email validation credits included in all plans.
Free Trial Yes 
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) No 
Online Support Yes 

Customer Support

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

Types of Training

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

Types of Training

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

Vendor Details

Company Name

MailSenpai

Founded

2016

Country

Italy

Website

en.mailsenpai.com/smtp-senpai/

Vendor Details

Company Name

ECOMZ Holding

Country

Cyprus

Website

unione.io

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 

Product Features

Email Marketing

A/B Testing No 
Artificial Intelligence No 
Auto-Responders No 
CAN SPAM Compliance Yes 
Customer Surveys No 
Drip Campaigns No 
Dynamic Content Yes 
Event Triggered Email Yes 
Image Library Yes 
Landing Pages/Web Forms No 
Mailing List Management No 
Mobile Optimized Emails No 
Reporting/Analytics Yes 
Subscriber Management Yes 
Template Management Yes 
WYSIWYG Email Editor Yes 

Transactional Email

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

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