Hello,
We use Google Apps as our primary mail server, but our internal servers all
use and relay off of Postfix. Our configuration is fairly bare-bones, it
basically just lets us send mail.
What I'm trying to do - is add these servers to our load balancer, and I
want to check for availability by having the load balancer try to
successfully send email (I have seen this referenced and others have done
it, but not posted exactly how they went about configuring it).
I am looking to have the load balancer when it attempts to send an email,
when it tries to send this email account to simply have the mail go
straight to /dev/null because I am not interested in the contents of the
email or any record of it - it is being used to see if the service is
processing mail and that is it. I am curious how I would go about setting
this up, I did try my hand at working with /etc/aliases and
virtual_alias_maps to no avail (I simply must not know how to configure it
properly).
Here is what my current postconf -n looks like, and I have defaulted my
/etc/aliases file and virtual_alias_maps for the time being because I
couldn't get it to work. Thank you
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
config_directory = /etc/postfix
inet_interfaces = all
inet_protocols = all
mailbox_command = procmail -a "$EXTENSION"
mailbox_size_limit = 0
mydestination = mail.contoso.com, localhost.localdomain, localhost
myhostname = mail.contoso.com
mynetworks = 10.0.0.0/8 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
myorigin = /etc/mailname
readme_directory = no
recipient_delimiter = +
relayhost = smtp-relay.gmail.com
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu)
smtpd_helo_restrictions = warn_if_reject check_helo_access static:reject
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated
defer_unauth_destination
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes
--
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