39 lines
3.9 KiB
Markdown
39 lines
3.9 KiB
Markdown
# Which network ports are open by iRedMail
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Port | Service | Software | Comment | Allow Public Access?
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--- |--- |--- |--- |---
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25 | smtp | Postfix | Normal smtp service, used for server-to-server communication. __WARNING__: This port __MUST__ be open, otherwise you cannot receive email sent from other servers. | YES
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587 | submission | Postfix | a.k.a. SMTP over TLS. Used by end users to send/submit email. | YES (open to your end users)
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24 | lmtp | Dovecot | Used to deliver email to local mailboxes via LMTP protocol. | No (listen on `127.0.0.1` by default)
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110 | pop3 | Dovecot | Used by end users to retrieve emails via POP3 protocol, secure connection over STARTTLS is available by default. | YES (open to your end users)
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995 | pop3s | Dovecot | Used by end users to retrieve emails via POP3 protocol over SSL. Port 110 with STARTTLS is recommended. | YES (open to your end users)
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143 | imap |Dovecot | Used by end users to retrieve emails via IMAP protocol, secure connection over STARTTLS is available by default. | YES (open to your end users)
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993 | imaps | Dovecot | Used by end users to retrieve emails via IMAP protocol over SSL. Port 143 with STARTTLS is recommended. | YES (open to your end users)
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4190 | managesieve | Dovecot | Sieve service used by end users to manage mail filters. Note: in old iRedMail releases, it's port 2000 (deprecated and not even listed in `/etc/services` file). | NO (disabled by default and users are forced to manage mail filters with webmail)
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80 | http | Apache/Nginx | Web service | YES (open to your webmail users)
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443 | https | Apache/Nginx | Web service over over SSL, secure connection. SOGo groupware provides Exchange ActiveSync (EAS) support through port 443. | YES (open to your webmail users)
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3306 | mysql | MySQL/MariaDB | MySQL/MariaDB database service | NO (listen on `127.0.0.1` by default)
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5432 | postgresql | PostgreSQL | PostgreSQL database service | NO (listen on `127.0.0.1` by default)
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389 | ldap | OpenLDAP (or OpenBSD ldapd) | LDAP service, STARTTLS is available for secure connection. | NO (listen on `127.0.0.1` by default)
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636 |ldaps | OpenLDAP (or OpenBSD ldapd) | LDAP service over SSL. Deprecated, port 389 with STARTTLS is recommended. | NO (listen on `127.0.0.1` by default)
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10024 | | Amavisd-new | Used to scan inbound messages, includes spam/virus scanning, DKIM verification, applying spam policy. | NO (listen on `127.0.0.1` by default)
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10025 | smtp | Postfix | Used by Amavisd to inject scanned emails back to Postfix queue. | NO (listen on `127.0.0.1` by default)
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10026 | | Amavisd-new | Used to scan outbound messages, includes spam/virus scanning, DKIM signing, applying spam policy. | NO (listen on `127.0.0.1` by default)
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10027 | | Amavisd-new | Used by mlmmj mailing list manager, it bypasses spam/virus/header/banned checks by default, but have DKIM signing enabled. | NO (listen on `127.0.0.1` by default)
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9998 | | Amavisd-new | Used to manage quarantined emails. | NO (listen on `127.0.0.1` by default)
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7777 | | iRedAPD | Postfix policy service for greylisting, whitelisting, blacklists, throttling, etc | NO (listen on `127.0.0.1` by default)
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7790 | http | mlmmjadmin | RESTful API server used to manage mlmmj mailing lists. New in iRedMail-0.9.8. | NO (listen on `127.0.0.1` by default)
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20000 | | SOGo | SOGo groupware | NO (listen on `127.0.0.1` by default)
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11211 | | Memcached | A distributed, high performance memory object caching system. | No (listen on `127.0.0.1` by default)
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24242 | | Dovecot | Dovecot service status. New in iRedMail-0.9.8. | NO (listen on `127.0.0.1` by default)
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19999 | | Netdata | Netdata monitor. New in iRedMail-0.9.8. | NO (listen on `127.0.0.1` by default)
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!!! note
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* In iRedMail-0.9.2 and earlier releases, Policyd or Cluebringer listens on
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port 10031. They have been removed in iRedMail-0.9.3, and replaced by
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iRedAPD.
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* Port 465, a.k.a. SMTP over SSL, has been deprecated for years. Please use
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port 587 instead.
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