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mail.oriontransfer.net

This is the Orion Transfer mail server management interface.

Motivation

Hosting and billing customers for private email services.

Installation

Create an appropriate user for accessing the database:

CREATE USER IF NOT EXISTS 'http'@'localhost';
GRANT ALL PRIVILEGES ON vmail.* TO 'http'@'localhost';
FLUSH PRIVILEGES;

Setup sudo for computing disk usage, e.g. in /etc/sudoers.d/http:

http  ALL=(ALL) NOPASSWD: /usr/bin/du

Dovecot Setup

You'll want to configure Dovecot to interface with MySQL:

/etc/dovecot/dovecot.conf

auth_mechanisms = plain login
mail_location = mdbox:~/mail.mdbox
mail_uid = vmail
mail_gid = vmail

passdb {
	driver = sql
	args = /etc/dovecot/dovecot-sql.conf
}

protocols = imap

service imap-login {
	client_limit = 512
	inet_listener imap {
	port = 0
	}
	process_limit = 8
	service_count = 0
	vsz_limit = 128 M
}

ssl_cert = </etc/ssl/private/mail.oriontransfer.net.pem
ssl_key = </etc/ssl/private/mail.oriontransfer.net.key

userdb {
	driver = sql
	args = /etc/dovecot/dovecot-sql.conf
}

verbose_proctitle = yes

service auth {
	unix_listener /var/spool/postfix/private/auth {
		mode = 0660
		# Assuming the default Postfix user and group
		user = postfix
		group = postfix
	}
}

protocol lda {
	mail_plugins = $mail_plugins sieve
}

plugin {
	zlib_save = xz
	zlib_save_level = 4
}

# Enable zlib plugin globally for reading/writing:
mail_plugins = $mail_plugins zlib

namespace {
	separator = /
	inbox = yes
}

/etc/dovecot/dovecot-sql.conf

driver = mysql

connect = host=localhost dbname=vmail user=vmail password=foobar

password_query = SELECT password FROM accounts LEFT JOIN domains ON accounts.domain_id = domains.id WHERE accounts.local_part = '%n' AND domains.name = '%d' AND domains.is_enabled = 1 AND accounts.is_enabled = 1

user_query = SELECT mail_location AS mail, concat('/srv/mail/', domains.name, '/', accounts.local_part) AS home, 'vmail' AS uid, 'vmail' AS gid FROM accounts LEFT JOIN domains ON accounts.domain_id = domains.id WHERE accounts.local_part = '%n' AND domains.name = '%d' AND domains.is_enabled = 1 AND accounts.is_enabled = 1

# For using doveadm -A:
iterate_query = SELECT concat(accounts.local_part, '@', domains.name) AS username FROM accounts LEFT JOIN domains ON accounts.domain_id = domains.id WHERE domains.is_enabled = 1 AND accounts.is_enabled = 1

Postfix Setup

Postfix talks to Dovecot for authentication and virtual mailbox lookup:

/etc/postfix/master.cf

Talk to Dovecot for auth:

smtpd_sasl_type = dovecot
smtpd_sasl_path = /var/spool/postfix/private/auth
smtpd_sasl_auth_enable = yes
smtpd_use_tls=yes
smtpd_tls_auth_only=yes
smtpd_tls_cert_file=/etc/ssl/private/mail.oriontransfer.net.pem
smtpd_tls_key_file=/etc/ssl/private/mail.oriontransfer.net.key
smtpd_tls_session_cache_database = btree:/var/lib/postfix/smtpd_scache
smtpd_tls_session_cache_timeout = 3600s

/etc/postfix/main.cf

Use dovecot for local delivery, filter it via spamc.

dovecot   unix  -       n       n       -       -       pipe
  flags=DRhu user=vmail:vmail argv=/usr/bin/vendor_perl/spamc -f -u spamd -e /usr/lib/dovecot/deliver -f ${sender} -d ${user}@${nexthop}

/etc/postfix/virtual_mailbox_maps.cf

user = vmail
password = foobar
dbname = vmail
query = SELECT 1 FROM accounts LEFT JOIN domains ON accounts.domain_id = domains.id WHERE accounts.local_part = '%u' AND domains.name = '%d' AND domains.is_enabled = 1

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create new Pull Request

License

Released under the MIT license.

Copyright, 2016, by Samuel G. D. Williams.

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.