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I'm looking for a way to enable postfix (or any other mail delivery system) in which I can easily have aliases (user and domain aliases), and in which I can have an external user send mails through the smtp server with a username & password. Users which are part of the domains/aliases should be automatically accepted and redirected to either local system or their redirect addresses.

Lots of stuff :-)

How to do this?

I have this main.cf file at the moment:

# See /usr/share/postfix/main.cf.dist for a commented, more complete version


# Debian specific:  Specifying a file name will cause the first
# line of that file to be used as the name.  The Debian default
# is /etc/mailname.
#myorigin = /etc/mailname

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

# appending .domain is the MUA's job.
append_dot_mydomain = no

# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h

readme_directory = no

# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

# See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for
# information on enabling SSL in the smtp client.

myhostname = example.com
alias_maps = hash:/etc/aliases, hash:/var/lib/mailman/data/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = Debian-60-squeeze-64-minimal, localhost.localdomain, localhost
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
message_size_limit = 0
virtual_mailbox_limit = 0
recipient_delimiter = +
inet_interfaces = all
inet_protocols = all

home_mailbox = Maildir/

virtual_mailbox_domains = /etc/postfix/vhosts
virtual_mailbox_base = /var/lib/mail
virtual_mailbox_maps = hash:/etc/postfix/vmaps
virtual_minimum_uid = 1000
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
virtual_alias_maps = hash:/etc/postfix/valiases, hash:/var/lib/mailman/data/virtual-mailman
virtual_alias_domains = /etc/postfix/vdomains

#owner_request_special = no
mailman_destination_recipient_limit = 1
transport_maps = hash:/etc/postfix/transport

This works fine for my needs. But I would like to send mails through Google as one of the valiases I defined, but for that I would need a (working) SMTP server with username and password.

I hope someone can provide me with an easy configuration setting for this.

Thanks!

0

You can configure virtual domain/users with postfix to achieve your requirements. As well as postfixadmin web interface is available to manage users/domains easily.

Please go through below stuff to configure postfix with virtual users/domain.

http://www.campworld.net/thewiki/pmwiki.php/LinuxServersCentOS/Cent6VirtMailServer http://www.itmanx.com/kb/centos6/install-postfix-mysql

  • Actually if you look at the cf I posted, this is the part that is working already. I just wanted to add SMTP with authentication to it, but without compromising the current setup. Is that possible? – Steven Van Ingelgem Nov 19 '14 at 18:06

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