Choosing Between Maildir and sdbox for Dovecot Mail Storage
Compare Maildir and sdbox storage formats in Dovecot to solve inode exhaustion and performance degradation in high-volume mailboxes.
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dovecotCentralizing Mail Credentials: A Hands‑On Guide to LDAP Authentication in Dovecot
Move Dovecot authentication from local files to LDAP with a step‑by‑step guide. Learn how to configure the ldap_passwd scheme, secure credentials, enable caching, and verify the setup in production.
Choosing Virtual Mailboxes Over System Mailboxes in Dovecot: A Decision Guide
When building a multi‑tenant Dovecot mail service, choose virtual mailboxes over system mailboxes for scalability and isolation. This guide compares options, explains trade‑offs, and shows a concrete SQL‑backed configuration.
Server-Side Mail Sorting with Dovecot Sieve: Filtering That Works Even When Your Client Doesn't
Client-side mail rules only work where they're defined. Dovecot's Pigeonhole Sieve plugin moves filtering to delivery time, so sorting works from every device — here's how to enable it safely with a minimal spam rule.
Server-Side Mail Filtering with Dovecot Sieve: Rules That Follow You
Client-side filters break the moment you switch devices. Dovecot's Sieve plugin moves mail filtering to delivery time on the server—here's how it works, a starter script, and how to verify it actually runs.
Implementing Shared Mailboxes in Dovecot with IMAP ACLs
Learn how to set up Dovecot’s shared namespace and ACL plugin for per‑folder sharing, including configuration, trust boundaries, operational checks, and common failure modes.
Solving Inode Exhaustion in Dovecot: Maildir vs. mdbox
Stop fighting inode exhaustion and slow backups in Dovecot. Learn when to switch from Maildir to mdbox and how to migrate safely using doveadm sync.
Reducing IMAP Latency: Optimizing Dovecot Indexing and Cache
Stop the 'slow folder' hang in IMAP. Learn how Dovecot uses .index files to cache metadata and how to optimize these settings for large mailboxes.
Implementing Dovecot Directory Storage for High-Volume Mailboxes
Learn how to implement and manage Dovecot Directory storage to avoid mbox bottlenecks, manage inode exhaustion, and ensure secure data boundaries in high-volume mail environments.