I have several, small, headless systems (a couple of Beaglebone
Blacks, a couple of Raspberry Pis and some VPS's) where I want to send
any E-Mail for local users off the system to my own E-Mail.
They are all running postfix, versions from 3.4.x to 3.7.x.
They all have a pretty trivial, send-only, main.cf:
smtpd_banner = $myhostname
ESMTP $mail_name (Debian/GNU)
biff = no
append_dot_mydomain = no
readme_directory = no
compatibility_level = 2
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtp_tls_CApath=/etc/ssl/certs
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
luser_relay=ch...@isbd.co.uk
myhostname = odin
myorigin = odin
mydestination =
relayhost = [smtp-auth.mythic-beasts.com]:465
mailbox_size_limit = 0
recipient_delimiter = +
inet_interfaces = loopback-only
inet_protocols = ipv4
smtp_sasl_auth_enable = yes
smtp_tls_wrappermode = yes
smtp_tls_security_level = encrypt
smtp_sasl_tls_security_options = noanonymous
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
message_size_limit = 120480000
This particular main.cf is on a Beaglebone Black in France.
/etc/aliases is:-
postmaster: root
root: ch...@isbd.co.uk
chris: ch...@isbd.co.uk
If I send a message to 'chris' (using mailx from the command line), it
gets sent off-site to chris@odin without the aliases being applied.
How do I simply get the aliases to actually do something please?
Oh, here is the mail.log for a message sent to chris:-
Dec 5 16:34:36 odin postfix/pickup[1823]: 677DFBAD: uid=0 from=<root>
Dec 5 16:34:36 odin postfix/cleanup[2002]: 677DFBAD:
message-id=<20231205163436.677DFBAD@odin>
Dec 5 16:34:36 odin postfix/qmgr[1824]: 677DFBAD: from=<root@odin>,
size=371, nrcpt=1 (queue active)
Dec 5 16:34:37 odin postfix/smtp[2004]: 677DFBAD: to=<chris@odin>,
orig_to=<chris>, relay=smtp-auth.mythic-beasts.com[46.235.227.24]:465,
delay=0.99, delays=0.16/0.11/0.51/0.21, dsn=2.0.0, status=sent (250 OK
id=1rAYNY-002U3U-Hf)
Dec 5 16:34:37 odin postfix/qmgr[1824]: 677DFBAD: removed
--
Chris Green
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