Running a live mail server: installs, upgrades, Windows and Linux, TLS and DNS, spam, webmail and the Control Deck. Post in the closest child, not here.
Subcategories
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General support
SMTP, IMAP, POP3, accounts, queues and delivery on hMailServer 6.3 and later. Anything without a narrower home below.
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Installation, migration & upgrades
First installs, 5.x → 6.3.3 in place, moves to new hardware, and imports from other mail servers. Say which version you are on, which you are going to, and the database.
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Linux
6.3 on x86-64 and AArch64 — .deb, .rpm, PKGBUILD and AppImage, systemd units, /etc/hmailserver, PostgreSQL or MariaDB. No Control Panel and no COM here.
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Webmail, portal & Control Deck
The built-in webmail at /portal and browser administration at / — folders, compose, shared folders, CardDAV, sessions, and the four surfaces still API-only.
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TLS, certificates & deliverability
Let's Encrypt and ACME, TLS 1.2/1.3, MTA-STS, DANE and DNSSEC, plus SPF, DKIM, DMARC, SRS and BATV — being trusted by the servers you send to.
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Anti-spam & message filtering
Greylisting, DNSBL and SURBL, SpamAssassin and rspamd, quarantine and false positives. Rules and Sieve recipes go in Rules, Sieve & routing instead.
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Guides & tutorials
Walkthroughs that worked on a real server — give the version, platform and database. The official manual stays at progressiverobot.com/hmailserver-documentation/.
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