analogic/poste.io repository overview

⁠Poste.io - complete mailserver built in one container

Full stack mail server solution with SSL TLS support. POP3s, SMTP(s), IMAPs, RSPAMD, Clamav, Roundcube(HTTPS), SPF, DKIM with easy installation and web administration.

• Pro version demo running at https://demo.poste.io/admin/login#[email protected];admin⁠
• For instructions how to install please see https://poste.io/doc/⁠

⁠Native features

• Let's encrypt for free and automatic TLS certs!
• SMTP routing (redirects all outgoing emails to the smarthost)
• SRS (fix redirects to follow valid SPF)
• "From" header check to prevent sender spoofing within mailserver users (toggleable per user)
• Remove redundant headers and hide authenticated sender IP for privacy
• Inbound antispam&antivirus (outbound at PRO)
• Automated Trash and Junk folders cleaning
• Relay limits with optional blocking prevents cases when one of your users computer got infected and tries to spam (PRO)
• "Karma" for making spammers life harder and much slower (p0f for detecting senders system, dns/mx/reverse lookups, DNSBL)
• Blacklist&Whitelist + automatic blocking for resources wasters
• Quarantine folder inspectable through administration
• Whole domain forwarding
• Domain-bin aka catch-all address
• DKIM setup through administration
• Very detailed logs (searchable and viewable through administration PRO)
• DMARC reports (PRO)
• REST API and command line for emails and domains manipulation
• Server and domain DNS Diagnostics, DNSBL check
• Quota for users
• Levels of administration rights: system admin, domain admin(PRO) and user
• Default Sieve filters for redirect, copy, autoreply, out of office, custom

⁠Screenshots

Web administration with email accounts and virtual domains:

Email process log in log viewer (PRO only):

⁠Want more?

Look at demo! https://demo.poste.io/admin/login#[email protected];admin⁠

⁠I want one!

Please see https://poste.io⁠