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Server Requirements

Ensure your infrastructure is ready for Senddera's high-performance email engine.

Minimum Hardware

  • CPU: 2 Cores (Intel or AMD)
  • RAM: 4GB
  • Storage: 20GB SSD (dependent on your list size)

Operating System

  • Ubuntu 22.04 LTS (Recommended)
  • Debian 12
  • CentOS Stream 9

Software Stack

  • PHP: v8.1 or higher with the following extensions:
    • OpenSSL
    • PDO
    • Mbstring
    • Tokenizer
    • XML
    • Ctype
    • JSON
    • BCMath
    • Intl
  • Database: MySQL 8.0+ or PostgreSQL 15+
  • Web Server: Nginx (Recommended) or Apache 2.4+
  • Cache: Redis 6.0+ (Required for job queue processing)

Network

  • Fixed public IP address
  • Ports 80 (HTTP) and 443 (HTTPS) open
  • Outbound traffic allowed on port 587 or 25 (if using direct SMTP)
Last updated: May 12, 2026