Optimizing Dovecot Performance with Mailbox Indexing
Learn how Dovecot uses index files to optimize IMAP performance, reduce disk I/O, and how to handle index corruption or synchronization issues using doveadm.
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Choosing Between Maildir and sdbox Storage for Dovecot Deployments
Learn how to choose between Maildir and sdbox storage in Dovecot to prevent inode exhaustion in high-volume mail environments.
Speeding Up Dovecot Mailbox Search with the Solr FTS Backend
Learn how to enable Dovecot’s Full‑Text Search using Solr, index existing mail, and verify sub‑second search latency while understanding the operational trade‑offs.
dovecotSolving IMAP Lag: Optimizing Dovecot Indexing for Large Mailboxes
Stop IMAP sync hangs in Dovecot. Learn how to leverage indexing and the doveadm utility to optimize large mailboxes and reduce disk I/O.
Dovecot quota enforcement on NFS-mounted mail directories
The documented quota_rule capability sets mailbox size limits that Dovecot evaluates using file-system metadata. On a local ext4 volume the check is reliable and deliveries are rejected once the limit is reached. When the same mail directory is hosted on an NFS share the metadata can become stale or unsupported, causing the quota plugin to silently skip the
Dovecot index schema migration lacking transactional rollback mechanism
Dovecot utilizes specialized index formats for Maildir and mbox storage that undergo schema changes during configuration updates or software upgrades. When a version mismatch is detected, the service typically invalidates existing index files to force a rebuild from the raw mail store. Currently, there is no native transactional rollback or snapshotting mech
Configuring GSuite to work with route 53 - "MX record doesn't have 2 fields" error
I'm doing my best to follow GSuite's out of date instructions for routing emails to Gmail via a AWS Route 53 hosted zone (i.e. domain). Here are the outdated instructions: I set the Values as instructed: And I see: Error occurred Bad request. (InvalidChangeBatch 400: MXRRDATANotTwoFields (MX record doesn't have 2 fields) encountered with '') So it will not a