Initial commit

smtpd.conf

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+# Load and assign certificates for your mail server. You can use the certbot certificate
+# for your web domains, so long as it contains your mail server's hostname. This hostname
+# needs to match the FQDN hostname of your server or container.
+pki host.tld cert   "/etc/ssl/cert.pem"
+pki host.tld key    "/etc/ssl/private/cert.key"
+
+# These tables are referenced as <table-name> in the options below:
+
+# This file contains the passwords for your email accounts, as generated with
+# smtpctl encrypt <password> (alternatively, leave the password for stdin input)
+table vpassword                 "/etc/smtpd/virtual/password"
+
+# This file contains a list of your virtual domains (should not include the local domain)
+table vdomain                   "/etc/smtpd/virtual/domain"
+
+# This file contains a list of emails you want to route to your email accounts
+table valias                    "/etc/smtpd/virtual/alias"
+
+# This file contains a list of UIDs, GIDs and home directories for your email accounts
+# For a virtual host setup, you would typically create a UNIX user.group like vmail.vmail
+# and chown all your mailbox directories to it.
+table vmailbox                  "/etc/smtpd/virtual/mailbox"
+
+# Listen to the various SMTP ports, using the keys we loaded above to prove we are host.tld
+listen on eth0              tls             pki host.tld
+listen on eth0 port 465     smtps           pki host.tld auth <vpassword>
+listen on eth0 port 587     tls-require     pki host.tld auth <vpassword>
+
+# These are actions that get triggered by the match rules below:
+
+# Action to receive mail locally and send it to a maildir (~/Maildir by default but
+# here we put them straight in the user's home directory as listed in <vmailbox>).
+# The manpage doesn't mention it, but the order of these clauses is significant;
+# you will get a syntax error if you don't follow the listing order in the manpage.
+action receive      maildir "%{user.directory}" userbase <vmailbox> virtual <valias>
+
+# Action to send mail to remote SMTP server
+action send         relay
+
+# Match mail from any source to your local domain (server hostname)
+match   from any                for local               action receive
+
+# Match mail from any source to your virtual domains
+match   from any                for domain <vdomain>    action receive
+
+# Match mail from your local network to anywhere (useful for contaners that sit on
+# the same subnet and need to send email without authentication)
+#match   from src x.x.x.x/x      for any                 action send
+
+# This accepts mail from your local machine to anywhere (typical configuration)
+match   from local              for any                 action send 
+
+# This accepts mail from any authenticated user to anywhere
+match   from any auth           for any                 action send

virtual/alias

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+user1@vhost.tld                         vmail
+user2@vhost.tld                         vmail
+user3@vhost.tld                         vmail
+@vhost1.tld                             vmail
+@vhost2.tld                             vmail
+@vhost3.tld                             vmail

virtual/domain

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+vhost1.tld
+vhost2.tld
+vhosr3.tld

virtual/mailbox

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+user1   999:999:/home/user1
+user2   999:999:/home/user2
+user3   999:999:/home/user3

virtual/password

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+user1   smtpctl-generated-password-1
+user2   smtpctl-generated-password-2
+user3   smtpctl-generated-password-3