On 9/28/2024 6:33 PM, Wesley wrote:
On 2024-09-29 05:15, Steve Matzura via Postfix-users wrote:
I just moved from Postfix 3.3.0 on an older Ubuntu system to 3.8.6 on
Ubuntu 24.04 LTS. I ran through the standard configuration script and
then edited /etc/postfix/main.cf on the new system to match the old
one. My syslog shows timeouts to destination addresses I know are
good from the old system. What can I do to diagnose this further?
maybe you want to provide:
1. postconf -nf
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
compatibility_level = 3.6
inet_interfaces = all
inet_protocols = all
mailbox_size_limit = 0
mydestination = theglobalvoice.info, localhost.info, localhost
myhostname = theglobalvoice.info
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
myorigin = /etc/mailname
readme_directory = no
recipient_delimiter = +
relayhost =
smtp_tls_CApath = /etc/ssl/certs
smtp_tls_security_level = may
smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_scache
smtpd_banner = theglobalvoice.info ESMTP Postfix (Ubuntu)
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_security_level = may
2. postconf -Mf
smtp inet n - y - - smtpd
pickup unix n - y 60 1 pickup
cleanup unix n - y - 0 cleanup
qmgr unix n - n 300 1 qmgr
tlsmgr unix - - y 1000? 1 tlsmgr
rewrite unix - - y - - trivial-rewrite
bounce unix - - y - 0 bounce
defer unix - - y - 0 bounce
trace unix - - y - 0 bounce
verify unix - - y - 1 verify
flush unix n - y 1000? 0 flush
proxymap unix - - n - - proxymap
proxywrite unix - - n - 1 proxymap
smtp unix - - y - - smtp
relay unix - - y - - smtp
-o syslog_name=postfix/$service_name
showq unix n - y - - showq
error unix - - y - - error
retry unix - - y - - error
discard unix - - y - - discard
local unix - n n - - local
virtual unix - n n - - virtual
lmtp unix - - y - - lmtp
anvil unix - - y - 1 anvil
scache unix - - y - 1 scache
postlog unix-dgram n - n - 1 postlogd
uucp unix - n n - - pipe flags=Fqhu
user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient)
3. detailed logs
/var/log/mail.log is length 0, but here is /var/log/mail.err:
2024-09-28T20:15:02.207931+00:00 tgv24 sSMTP[58912]: Unable to locate mail
2024-09-28T20:15:02.208210+00:00 tgv24 sSMTP[58912]: Cannot open mail:25
Also, I must reboot the system because of a hostname change I made
yesterday. I will see to that as soon as production says I can have it.
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