EML via Postfix-users:
> I have a postfix setup where I'm using both alias_maps and
> virtual_alias_maps. alias_maps is used to route any internally-generated
> mails to my personal email address, while everything else is handled by
> Dovecot.
Postfix alias_maps is used only when mail is delivered, by the
local(8) delivery agent, which searches with the address local-part.
virtual_alias_maps is used while mail is received, by the cleanup
daemon, which searches primarily with the whole email address.
Note that alias_maps are recursive only if the result of alias
expansion matches mydestination.
I speculate that you changed myorigin or mydestination, so that
mailer-daemon: postmaster
expanded to postmaster@$myorigin, and that $myorigin no longer
matched $mydestination, i.e. the lookup was no longer recursive.
I suggest that you make backups, or better, use a version control system.
Wietse
> I had a working setup where /etc/aliases contained:
>
> mailer-daemon: postmaster
> webmaster: postmaster
> bounces: postmaster
> root: postmaster
> postmaster: m...@foo.com
>
> I then changed something while experimenting, but I'm afraid that I have
> no idea what. Internally-generated mails to the aliases no longer
> worked, and were bounced by Dovecot, which was being asked to deliver to
> the non-existent 'postmaster' user:
>
> Dec 1 20:24:26 mail postfix/qmgr[31988]: 17E9847149:
> from=<sysad...@example.com>, size=1180, nrcpt=1 (queue active)
> Dec 1 20:24:26 mail postfix/local[33132]: 048D44A910:
> to=<webmas...@mail.example.com>, relay=local, delay=0.1,
> delays=0.09/0.01/0/0.01, dsn=2.0.0, status=sent (forwarded as 17E9847149)
> Dec 1 20:24:26 mail postfix/qmgr[31988]: 048D44A910: removed
> Dec 1 20:24:26 mail postfix/pipe[33133]: 17E9847149:
> to=<postmas...@example.com>, orig_to=<webmas...@mail.example.com>,
> relay=dovecot, delay=0.05, delays=0/0.01/0/0.04, dsn=5.1.1,
> status=bounced (user unknown)
> Dec 1 20:24:26 mail postfix/cleanup[33130]: 24B594AAC5:
> message-id=<20241201202426.24b594a...@mail.example.com>
> Dec 1 20:24:26 mail postfix/bounce[33136]: 17E9847149: sender
> non-delivery notification: 24B594AAC5
>
> I've now changed /etc/aliases to:
>
> mailer-daemon: m...@foo.com
> webmaster: m...@foo.com
> bounces: m...@foo.com
> root: m...@foo.com
> postmaster: m...@foo.com
>
> ...and everything works again:
>
> Dec 1 21:12:02 mail postfix/qmgr[31988]: C1A9747149:
> from=<sysad...@example.com>, size=1180, nrcpt=1 (queue active)
> Dec 1 21:12:02 mail postfix/local[71307]: B183C4AAC5:
> to=<webmas...@mail.example.com>, relay=local, delay=0.08,
> delays=0.07/0.01/0/0, dsn=2.0.0, status=sent (forwarded as C1A9747149)
> Dec 1 21:12:02 mail postfix/qmgr[31988]: B183C4AAC5: removed
> Dec 1 21:12:03 mail postfix/smtp[71308]: C1A9747149: to=<m...@foo.com>,
> orig_to=<webmas...@mail.example.com>,
> relay=titan.bar.net[77.68.16.94]:25, delay=0.56,
> delays=0/0.01/0.18/0.37, dsn=2.0.0, status=sent (250 2.0.0 Ok: queued as
> 29BDF8026B)
> Dec 1 21:12:03 mail postfix/qmgr[31988]: C1A9747149: removed
>
> Question: does anyone have any idea what I could have changed to turn
> off recursive processing of /etc/aliases? Re-reading ALIASES(5) makes me
> think that the file was never meant to be recursively processed, but
> this has always worked for me, for both sendmail and postfix.
>
> Thanks - postconf output below.
>
> ------------------------------------------------------------------------
>
> # postconf -n
>
> 2bounce_notice_recipient = bounces
> alias_maps = hash:/etc/aliases
> anvil_rate_time_unit = 60s
> append_dot_mydomain = no
> biff = no
> broken_sasl_auth_clients = yes
> disable_vrfy_command = yes
> dovecot_destination_recipient_limit = 1
> inet_interfaces = all
> mailbox_size_limit = 0
> milter_default_action = tempfail
> milter_protocol = 6
> mydestination = $myhostname, localhost.$mydomain
> mydomain = example.com
> myhostname = mail.example.com
> mynetworks = 127.0.0.0/8
> myorigin = $mydomain
> non_smtpd_milters = inet:localhost:8891
> notify_classes = resource, software, 2bounce
> policy-spf_time_limit = 3600s
> propagate_unmatched_extensions = canonical
> rbl_reply_maps = hash:/etc/postfix/dnsbl-reply-map
> readme_directory = no
> recipient_delimiter = +
> smtp_tls_security_level = may
> smtpd_banner = $myhostname ESMTP
> smtpd_client_connection_count_limit = 5
> smtpd_client_connection_rate_limit = 5
> smtpd_client_restrictions = permit_mynetworks,
> permit_sasl_authenticated, reject_unknown_client_hostname,
> reject_unauth_pipelining
> smtpd_delay_reject = yes
> smtpd_error_sleep_time = 5s
> smtpd_hard_error_limit = 3
> smtpd_helo_required = yes
> smtpd_helo_restrictions = permit_mynetworks, reject_non_fqdn_hostname,
> reject_invalid_helo_hostname, reject_unknown_helo_hostname
> smtpd_milters =
> inet:localhost:7950,inet:localhost:8891,local:opendmarc/opendmarc.sock
> smtpd_recipient_limit = 250
> smtpd_recipient_restrictions = permit_mynetworks,
> permit_sasl_authenticated, reject_invalid_helo_hostname,
> reject_non_fqdn_helo_hostname, reject_non_fqdn_sender,
> reject_non_fqdn_recipient, reject_unauth_destination,
> reject_unauth_pipelining, reject_rhsbl_sender
> key.dbl.dq.spamhaus.net=127.0.1.[2..99], reject_rhsbl_helo
> key.dbl.dq.spamhaus.net=127.0.1.[2..99], reject_rhsbl_reverse_client
> key.dbl.dq.spamhaus.net=127.0.1.[2..99], reject_rhsbl_sender
> key.zrd.dq.spamhaus.net=127.0.2.[2..24], reject_rhsbl_helo
> key.zrd.dq.spamhaus.net=127.0.2.[2..24], reject_rhsbl_reverse_client
> key.zrd.dq.spamhaus.net=127.0.2.[2..24], reject_rbl_client
> key.zen.dq.spamhaus.net=127.0.0.[2..255], check_policy_service
> unix:private/policy-spf, check_policy_service inet:localhost:7952
> smtpd_relay_restrictions = permit_mynetworks, permit_sasl_authenticated
> smtpd_sasl_auth_enable = no
> smtpd_sasl_local_domain = $mydomain
> smtpd_sasl_path = private/auth
> smtpd_sasl_security_options = noanonymous
> smtpd_sasl_type = dovecot
> smtpd_sender_restrictions = permit_mynetworks, reject_non_fqdn_sender,
> reject_unknown_sender_domain
> smtpd_soft_error_limit = 2
> smtpd_tls_auth_only = no
> smtpd_tls_cert_file =
> /var/data/etc/apache2/md/domains/example.com/pubcert.pem
> smtpd_tls_key_file =
> /var/data/etc/apache2/md/domains/example.com/privkey.pem
> smtpd_tls_received_header = yes
> smtpd_tls_security_level = may
> smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
> smtpd_use_tls = yes
> tls_random_source = dev:/dev/urandom
> virtual_alias_maps = texthash:/etc/postfix/valias1,
> hash:/var/data/etc/postfix/valias2
> virtual_gid_maps = static:5000
> virtual_mailbox_base = /data/var/mail/vhosts
> virtual_mailbox_domains = /etc/postfix/virtual_domains
> virtual_mailbox_maps = texthash:/etc/postfix/vmailbox1,
> hash:/var/data/etc/postfix/vmailbox2
> virtual_minimum_uid = 100
> virtual_transport = dovecot
> virtual_uid_maps = static:5000
>
>
>
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