Integrable
API SMTP Integration
Direct connection via SMTP API with secure authentication. Compatible with any platform or programming language.
Transactional SMTP.
Deliver your emails
reliably
Reliable delivery of your emails is essential for maintaining effective communication with your customers. With Opptima's SMTP service, you guarantee that every message reaches its destination, without issues and with maximum security.
- High guaranteed delivery rate
- Security with advanced encryption
- Scalability for large volumes
- 24/7 real-time monitoring
Average delivery time: 0.43 seconds per message.
Frictionless integration
Compatible with all your platforms
Opptima integrates easily with the leading SMTP sending platforms, enabling quick and hassle-free configurations. Migrate easily from SendGrid, Mailgun, Amazon SES or Brevo in under 24 hours by simply updating your SMTP credentials. Whether you use WordPress, Magento, or other platforms, our SMTP service ensures you can start sending bulk emails immediately.
WordPress
Magento
Shopify
Custom API
High delivery rate
Ensure your emails reach your customers' inbox. Average delivery time: 0.43 seconds per message. With direct agreements with Gmail, Outlook and Yahoo for maximum priority.
Security
Protect every message you send with our advanced TLS 1.3 encryption and strict DKIM validation. PCI-DSS compliant for financial transaction emails and critical enterprise system alerts.
Scalability
Handle large email volumes without complexity. From 50,000 to 1,000,000 monthly messages with automatic scaling of dedicated infrastructure according to your growth volume.
Real-time monitoring
Monitor delivery status in real time and resolve issues instantly, keeping your communication flowing without interruption. Centralized panel with delivery logs, bounces, complaints and real-time open tracking.
Complete platform
Technology that powers every message
Everything you need for critical emails on a single platform. From dedicated infrastructure to full compliance.
Traceability
Real-time monitoring panel
Monitor every message: delivery status, bounces, opens and reactivity rate from a centralized panel.
Scalable
Additional domains
From 4 domains on the 200K plan to unlimited domains on the 1M plan. Each domain with its own SPF, DKIM and DMARC configuration.
Exclusive
Dedicated channel
Dedicated IPs warmed exclusively for your domain. No shared reputation with other senders.
Flexible
File attachments per message
From 3 files (max 5 MB) on the basic plan to 10 files (max 25 MB) on the 1M plan. PDF, images, documents.
Certified
Technical reputation control
Continuous monitoring of blacklists, IP and domain reputation. Automatic alerts before they affect your deliverability.
Plans & pricing
Transactional SMTP Plans
Monthly plans. Credit card subscription method.
| Feature | 50K | 100K | 200K | 500K | 1M |
|---|---|---|---|---|---|
| API SMTP Integration | |||||
| Real-time monitoring panel | |||||
| Additional domains | 4 Dom. | 10 Dom. | Unlimited | ||
| Dedicated channel | |||||
| File attachments per message | 3 files (5MB) | 5 files (10MB) | 8 files (15MB) | 10 files (20MB) | 10 files (25MB) |
| Technical reputation control | |||||
| Price per month | $47.99 USD | $83.99 USD | $178.99 USD | $416.99 USD | $715.99 USD |
* Prices do not include VAT
Included in every plan
The perfect complement
Email Specialist included in every plan
Expert consultant who optimizes your email campaigns, improving deliverability, open rate and anti-spam rule compliance, benefiting your business by increasing effectiveness and return on investment.
Running successful email marketing campaigns means knowing your audience, creating relevant content, and following Spamhaus rules and best practices.
Included in every email marketing and SMTP package
Ready to deliver on every message?
Schedule a session with our Email Specialist and discover how Opptima improves the deliverability of your collections, legal or sensitive emails.
- Free review of your current situation
- Initial setup assistance
- Cancel at any time
Resolve your doubts
Questions about Transactional SMTP
It is a critical email sending service (invoices, passwords, OTP, legal notifications) with dedicated IPs, full traceability and a real-time monitoring panel. Unlike bulk email marketing, transactional SMTP guarantees immediate delivery message by message.
Transactional SMTP sends one email at a time immediately (confirmations, alerts, invoices). Email Marketing sends scheduled bulk campaigns to contact lists. Opptima offers both on a single platform.
Yes. Opptima integrates via standard SMTP API with any platform: WordPress, Magento, Shopify, custom systems, ERPs. Configuration takes under 30 minutes with included technical support.
Our Technical Reputation Control system continuously monitors the main blacklists (Spamhaus, MXToolbox, etc.) and generates automatic alerts. We include IP rotation and technical warmup without intervention from your team.
Yes. All SMTP plans include a dedicated Email Specialist who optimizes your SPF, DKIM, DMARC configuration and guides you through the warmup process to guarantee maximum deliverability from the first send.