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EmailSuccess
EmailSuccess · Faenza, Italy · founded 1996
What it is
EmailSuccess is an on-premises mail transfer agent for enterprise email gateways and high-volume SMTP servers. It manages outbound delivery, sending reputation, and changing authentication requirements. Its deliverability engine reviews ISP responses and adjusts delivery parameters in real time, while flexible queues, multiple IP pools, and connection pooling support high-volume traffic and prioritization. Authentication capabilities include DKIM signing, DMARC compliance, and SPF and SenderID monitoring. TLS encryption is available with configurable rules. The product classifies and reports bounces and feedback loops, and can forward ISP spam complaints to another system. It supports SMTP, input scripting and filtering, REST and SOAP APIs, plus a web interface for monitoring and message history. Management options include an SSH console and VirtualMTA traffic segmentation. EmailSuccess can export collector data, stream it to external collectors, and send HTTP notifications about message events. Its Free plan costs nothing, billed annually, and lists 100,000 emails per day and two active IPs; Standard and Enterprise list unlimited emails and active IPs, with prices not stated.
For and against
For
- Adjusts delivery parameters based on ISP responses
- Supports DKIM, DMARC, SPF, and SenderID monitoring
- Offers REST and SOAP APIs
- Can forward ISP spam complaints
Against
- Free plan lists 100,000 emails per day
- Free plan lists two active IPs
The verdict
EmailSuccess combines outbound mail delivery controls with authentication, bounce handling, APIs, and event data feeds.
Who it suits
EmailSuccess suits organizations operating enterprise email gateways or high-volume SMTP servers. It is relevant to teams managing outbound delivery, reputation, authentication, and message-event data.
Plans and prices
Free
100,000 emails/day · 2 active IPs · community forum
Read 15 Oct 2026 · emailsuccess.com
Standard
Unlimited emails · unlimited active IPs · individual support
Read 15 Oct 2026 · emailsuccess.com
Enterprise
Unlimited emails · unlimited active IPs · individual support · high-availability cluster
Read 15 Oct 2026 · emailsuccess.com
On the record
- Administration
- VirtualMTA segmentation, an SSH console and a web interface provide traffic control and message-history monitoring.emailsuccess.com · read 15 Oct 2026
- API capabilities
- The REST and SOAP APIs can send, search and analyze messages without an SMTP connection.emailsuccess.com · read 15 Oct 2026
- Authentication
- The product supports DKIM signing, SPF monitoring, DMARC compliance and TLS encryption controls.emailsuccess.com · read 15 Oct 2026
- Blacklist monitoring
- EmailSuccess checks sending IPs against major public realtime blacklists and raises warnings.emailsuccess.com · read 15 Oct 2026
- Bounce handling
- Bounce processing supports hard and soft categories, SMTP-style classifications, custom patterns and feedback-loop complaint forwarding.emailsuccess.com · read 15 Oct 2026
- Company founded
- LinkedIn lists the company as founded in 1996 with 51–200 employees.linkedin.com · read 15 Oct 2026
- Company ownership
- EmailSuccess is powered by privately held Diennea S.r.l.linkedin.com · read 15 Oct 2026
- Data feeds
- It can export collector data, stream data to external collectors, and send HTTP notifications about message events.emailsuccess.com · read 8 Oct 2026
- Dedicated IP option
- Yesemailsuccess.com · read 22 Sep 2026
- Deliverability
- Its deliverability engine automatically analyzes ISP responses and tunes delivery parameters in real time.emailsuccess.com · read 8 Oct 2026
- Deliverability engine
- The system automatically tunes SMTP and connection parameters in real time according to individual ISP behavior.emailsuccess.com · read 15 Oct 2026
- Delivery methods
- bothemailsuccess.com · read 22 Sep 2026
- Encryption
- The product supports TLS encryption for email delivery, with configurable rules for when to enable it.emailsuccess.com · read 8 Oct 2026
- Event data
- Collectors, real-time streaming and HTTP notifications export delivery events to external systems.emailsuccess.com · read 15 Oct 2026
- Event webhooks
- Yesemailsuccess.com · read 22 Sep 2026
- High-volume delivery
- Flexible queues, parallel IP pools and connection pooling are provided for high-speed, high-volume delivery.emailsuccess.com · read 15 Oct 2026
- Independent assessment
- Sprout24 characterizes the on-premises deployment and initial configuration as disadvantages and also flags maintenance and update effort.sprout24.com · read 15 Oct 2026
- Input interfaces
- Messages can enter through SMTP, input scripts, input filters, REST API or SOAP API.emailsuccess.com · read 15 Oct 2026
