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Knowledge Base

Find guides, tutorials, and documentation to help you get the most out of CubePath services.

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Email Advanced

Mailcow Dockerized Mail Server Installation

Deploy Mailcow as a full-featured dockerized mail server on Linux. Covers installation, domain management, SOGo webmail, rspamd anti-spam, DKIM/DMARC, backup, and updates.

April 4, 2026Read
Email Advanced

Mail-in-a-Box Simple Mail Server

Install Mail-in-a-Box for a turnkey mail server on Linux. Learn automated setup, DNS configuration, webmail access, contact and calendar sync, backup, and maintenance.

April 4, 2026Read
Email Advanced

Stalwart Mail Server Installation

Deploy Stalwart as a modern all-in-one mail server on Linux. Covers JMAP/IMAP/SMTP configuration, spam filtering, DKIM signing, web admin interface, and migration from legacy servers.

April 4, 2026Read
Email Advanced

Rspamd Advanced Spam Filtering Configuration

Configure Rspamd for advanced spam filtering on Linux mail servers. Covers Bayes learning, neural network classification, DKIM/DMARC verification, greylisting, and custom rules.

April 4, 2026Read
Email Advanced

Email Deliverability Optimization Guide

Optimize email deliverability from your Linux mail server. Learn IP reputation management, SPF/DKIM/DMARC alignment, warm-up strategies, blacklist monitoring, and bounce handling.

April 4, 2026Read
Email Advanced

Maddy Composable Mail Server Installation

Install Maddy as a lightweight composable mail server on Linux. Covers single-binary deployment, SMTP/IMAP setup, TLS automation, DKIM signing, storage backends, and filtering.

April 4, 2026Read