Newsletter Infrastructure for Cosmodata
For over a decade, Cosmodata, one of Greece’s leading electronics and technology retailers, has trusted us to manage their high-volume newsletter infrastructure.
They send between 70,000 to 100,000 emails daily, and maintaining high deliverability and consistent performance has been critical to their marketing success.
💡 Project Highlights
- 10+ years of continuous service
- 70k–100k emails per day, fully automated
- Monitored 24/7 for uptime, delivery performance, and spam reputation
- GDPR-compliant infrastructure
- Fully managed and optimized for phpList
💻 Under the Hood: phpList
The core of the system is built on phpList, a proven and robust email campaign platform ideal for large-scale use. It offers all the flexibility needed for complex campaign scenarios:
✉️ Key Features We Use & Support
- Campaign Scheduling — plan newsletters days or weeks in advance
- Batch Sending — prevents IP throttling and ensures smooth deliverability
- Advanced Bounce Management — detects and automatically unsubscribes hard bounces
- HTML and Text Templates — reusable, brand-consistent layouts
- List Segmentation — target campaigns based on subscriber preferences or behavior
- Click & Open Tracking — real-time insight into campaign engagement
- Blacklisting & Unsubscribe Options — fully compliant with anti-spam regulations
- Import/Export Subscribers — support for CSV uploads, API imports, and more
🔍 Reliability Matters
For Cosmodata, uptime and deliverability aren’t optional — they’re critical. That’s why we:
- Continuously monitor server health, bounce rates, queue processing, and blacklisting status
- Keep SPF, DKIM, and DMARC records correctly configured and up to date
- Provide rapid response support during major product launches or campaigns
- Regularly audit logs, delivery stats, and optimize the infrastructure
🔒 Security & Compliance
- All campaigns are sent through secure infrastructure
- Subscriber data is stored in compliance with GDPR standards
- Access is restricted, authenticated, and audited
📈 Results
- Deliverability consistently above 99%
- Bounce rates kept below 0.5%
- High engagement rates on major product launches
- Zero downtime during high-load events like Black Friday and holiday sales
👨💼 Interested in Similar Setup?
Whether you’re an e-commerce business, publisher, or institution — if you’re looking to send thousands of emails per day with full control and reliability, we can help.