Service - email - Poste
SMTP + IMAP + POP3 + Antispam + Antivirus
Web administration + Web email
…on your server in ~5 minutes
Server Set Up
## Create an Instance
!Cloud Instance Setup#Azure
SSH Into Server
Mount Storage persistently
!Linux Server Storage
Set up a Server for Docker
!Linux Server Initial Setup#With Docker
Run Poste Docker
<syntaxhighlight lang="bash">sudo docker pull analogic/poste.io sudo docker run --net=host -e TZ=America/New_York -v $HOME/datadrive/var/mailserver/data:/data --name "mailserver" --restart always -h "mail.irregularchat.com" -t analogic/poste.io</syntaxhighlight>
Ports Explained
Inbound Rules:
The following ports need to be open for incoming connections:
Ports that are opened by poste.io:
| Port number | Purpose |
|---|---|
| 25 | SMTP - mostly processing incoming mails from remote mail servers |
| 80 | HTTP - redirect to https (see options) and authentication for Let’s encrypt service |
| 110 | POP3 - standard protocol for accessing mailbox, STARTTLS is required before client auth |
| 143 | IMAP - standard protocol for accessing mailbox, STARTTLS is required before client auth |
| 443 | HTTPS - access to administration or webmail client |
| 465 | SMTPS - Legacy SMTPs port |
| 587 | MSA - SMTP port primarily used by email clients after STARTTLS and auth |
| 993 | IMAPS - alternative port for IMAP with encryption from the start of the connection |
| 995 | POP3S - POP3 port with encryption from the start of the connection |
| 4190 | Sieve - remote sieve settings |