Incoming portsRequired/Optional | Port Number | TLS/SSL/PLAIN | Description |
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required | 25 | PLAINTLS | Email delivery Supports SMTP authentication | optional | 80 | PLAIN | HTTP redirect to HTTPs port 443 | optional | 110 | PLAIN/TLS | POP access for thick clients - not recommended | optional | 143 | PLAIN/TLS | IMAP access for thick clients | required | 443 | SSL | Access to BlueMind | optional | 465 | SSL | Sends emails from thick clients SMTP authentication required Prefer this port over port 25 for thick client configurations | optional | 587 | TLS | Sends emails from thick clients SMTP authentication required Prefer this port over port 25 for thick client configurations | optional | 993 | SSL | IMAP access for thick clients | optional | 995 | SSL | POP access for thick clients - not recommended | optional | 5222 | PLAIN/TLS | IM access for thick clients | optional | 5223 | SSL | IM access for thick clients | optional | 5269 | TLS | XMPP server-to-server communications for interconnection with XMPP from other domains |
When SSL is mentioned, we refer to the TLS protocol, without cleartext communication allowed. TLS ports are using Opportunistic TLS. Internal portsPort number | Service |
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24 | cyrus LMTP | 1110 | cyrus pop | 1143 | cyrus imap | 2000 | cyrus sieve | 2400 | BM LMTP | 2500 | BM milter | 2501 | core IMAP replication | 2502 | cyrus IMAP replication | 5001 | BM mapi | 5280, 5290 | BM XMPP | 5432 | postgresql | 5701:5715 | hazelcast | 8021, 8022 | BM node | 8079 | BM HPS | 8080 | BM webserver | 8082 | BM push | 8084 | BM locator | 8087 | BM Tika | 8086 | BM influxdb | 8090 | BM core | 9083, 9086, 9090, 90998091 | BM influxdbSDS | 9200, 9300 | BM Elasticsearch |
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