This morning, I upgraded from 2.8-20100213 to 2.8-20100306 and enabled IPv6 I have always used the lmtp(8) client to feed messages to amavisd-new (well, those that picked up by pickup(8), anyways):
pickup fifo n - - 60 1 pickup -o content_filter=lmtp-amavis:[127.0.0.1]:10026 lmtp-amavis unix - - n - 10 lmtp -o lmtp_data_done_timeout=1200 -o lmtp_send_xforward_command=yes -o disable_dns_lookups=yes I changed main.cf... mynetworks = 127.0.0.0/8 85.214.20.182/32 85.214.107.53/32 192.168.122.0/24 [::1]/128 [2001:6f8:1048::]/64 inet_protocols = all smtp_bind_address6 = 2001:6f8:1048::2 ...and master.cf: [2001:6f8:1048::2]:25 inet n - n - 1 postscreen Now, whenever I try to deliver a mail, Postfix complains liek that: Mar 22 13:29:56 nemea postfix/pickup[24662]: AA57F10011: uid=1000 from=<cite+postfix-us...@incertum.net> Mar 22 13:29:56 nemea postfix/cleanup[27487]: AA57F10011: message-id=<20100322122956.ga26...@mail.incertum.net> Mar 22 13:29:56 nemea postfix/qmgr[24663]: AA57F10011: from=<cite+postfix-us...@incertum.net>, size=4322, nrcpt=1 (queue active) Mar 22 13:29:56 nemea postfix/lmtp[27488]: panic: mystrdup: null pointer argument Mar 22 13:29:57 nemea postfix/master[24660]: warning: process /usr/lib/postfix/lmtp pid 27488 killed by signal 6 Mar 22 13:29:57 nemea postfix/master[24660]: warning: /usr/lib/postfix/lmtp: bad command startup -- throttling Mar 22 13:29:57 nemea postfix/qmgr[24663]: warning: private/lmtp-amavis socket: malformed response Mar 22 13:29:57 nemea postfix/qmgr[24663]: warning: transport lmtp-amavis failure -- see a previous warning/fatal/panic logfile record for the problem description Mar 22 13:29:57 nemea postfix/error[27492]: AA57F10011: to=<postfix-users@postfix.org>, relay=none, delay=1.4, delays=0.23/1/0/0.13, dsn=4.3.0, status=deferred (unknown mail transport error) For now, I changed the transport to amavisd-new to smtp(8). Could you perhaps give me some ideas on how to debug this problem further? The usual "postconf -n" and master.cf are attached below. And yes, I know, it's really time for some cleanup with multiple instances ;-) Stefan # postconf -n alias_database = cdb:${maps_dir}/aliases alias_maps = cdb:${maps_dir}/aliases allow_percent_hack = no append_dot_mydomain = no biff = no bounce_queue_lifetime = 1d broken_sasl_auth_clients = yes config_directory = /etc/postfix delay_warning_time = 1h disable_vrfy_command = yes header_checks = pcre:${maps_dir}/header_checks_anon.pcre html_directory = no inet_protocols = all maximal_queue_lifetime = 3d message_size_limit = 20971520 mydestination = $myhostname, trac.incertum.net, nemea.incertum.net, localhost.$mydomain, localhost myhostname = mail.incertum.net mynetworks = 127.0.0.0/8 85.214.20.182/32 85.214.107.53/32 192.168.122.0/24 [::1]/128 [2001:6f8:1048::]/64 notify_classes = 2bounce, resource, software parent_domain_matches_subdomains = debug_peer_list, smtpd_access_maps postscreen_dnsbl_sites = zen.spamhaus.org, b.barracudacentral.org, ix.dnsbl.manitu.net postscreen_greet_action = drop postscreen_hangup_action = drop readme_directory = no recipient_delimiter = + reject_tempfail_action = defer relay_domains = lists.incertum.net relay_recipient_maps = cdb:${maps_dir}/relay_recipients sender_canonical_maps = cdb:${maps_dir}/sender_canonical smtp_bind_address = 85.214.107.53 smtp_bind_address6 = 2001:6f8:1048::2 smtp_mx_session_limit = 3 smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt smtp_tls_loglevel = 1 smtp_tls_security_level = may smtp_tls_session_cache_database = btree:/var/lib/postfix/smtp_scache smtp_tls_session_cache_timeout = 24h smtpd_authorized_verp_clients = $mynetworks smtpd_client_connection_count_limit = ${stress?10}${stress:50} smtpd_client_restrictions = ${stress?reject_unknown_client_hostname} smtpd_data_restrictions = reject_multi_recipient_bounce reject_unauth_pipelining smtpd_delay_reject = ${stress?no}${stress:yes} smtpd_discard_ehlo_keywords = silent-discard, dsn smtpd_hard_error_limit = ${stress?1}${stress:20} smtpd_helo_required = yes smtpd_proxy_options = speed_adjust smtpd_recipient_restrictions = reject_non_fqdn_sender reject_non_fqdn_recipient reject_unlisted_sender reject_unlisted_recipient reject_unknown_sender_domain reject_unknown_recipient_domain permit_mynetworks check_client_access cdb:${maps_dir}/relay_clients reject_unauth_destination check_client_access cidr:${maps_dir}/hard_blacklist.cidr check_recipient_access pcre:${maps_dir}/recipient_roleaccounts.pcre reject_invalid_helo_hostname check_recipient_access cdb:${maps_dir}/recipient_access check_sender_access cdb:${maps_dir}/sender_access check_client_access cdb:${maps_dir}/client_access check_client_access cidr:${maps_dir}/dnswl-permit.cidr check_client_access cidr:${maps_dir}/client_access.cidr check_sender_ns_access cidr:${maps_dir}/ns_access.cidr check_sender_mx_access cidr:${maps_dir}/mx_access.cidr check_policy_service inet:127.0.0.1:12525 check_client_access pcre:${maps_dir}/postgrey.pcre permit_auth_destination reject smtpd_restriction_classes = greylisting smtpd_sasl_path = private/auth smtpd_sasl_security_options = noanonymous, noplaintext smtpd_sasl_tls_security_options = noanonymous smtpd_sasl_type = dovecot smtpd_sender_login_maps = cdb:${maps_dir}/sasl-maps.restricted pcre:${maps_dir}/sasl-maps.generic.pcre smtpd_timeout = ${stress?10}${stress:300} smtpd_tls_CAfile = /etc/ssl/certs/ca-certificates.crt smtpd_tls_cert_file = /etc/ssl/owncerts/mail_incertum_net.crt smtpd_tls_key_file = /etc/ssl/private/mail_incertum_net.key smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_security_level = may smtpd_tls_session_cache_database = btree:/var/lib/postfix/smtpd_scache smtpd_tls_session_cache_timeout = 24h strict_rfc821_envelopes = yes swap_bangpath = no transport_maps = cdb:${maps_dir}/transport unknown_address_reject_code = ${stress?421}${stress:554} unknown_client_reject_code = ${stress?421}${stress:450} virtual_alias_domains = stefan-foerster.de virtual_alias_maps = pcre:${maps_dir}/virtuals/stefan-foerster.de.pcre cdb:${maps_dir}/virtuals/billigmail.org cdb:${maps_dir}/virtuals/incertum.net pcre:${maps_dir}/virtuals/roleaccounts.pcre virtual_gid_maps = static:5000 virtual_mailbox_base = /export/vmailboxes virtual_mailbox_domains = proxy:pgsql:${maps_dir}/pgsql/virtual_mailbox_domains.cf virtual_mailbox_limit = 512000000 virtual_mailbox_maps = proxy:pgsql:${maps_dir}/pgsql/virtual_mailbox_maps.cf virtual_transport = dovecot virtual_uid_maps = static:5000 # cat master.cf 127.0.0.1:25 inet n - - - - smtpd -o smtpd_proxy_filter=127.0.0.1:10028 -o receive_override_options=no_address_mappings,no_header_body_checks 85.214.107.53:587 inet n - - - - smtpd -o smtpd_sasl_auth_enable=$submission_smtpd_sasl_auth_enable -o smtpd_recipient_restrictions=$submission_smtpd_recipient_restrictions -o syslog_name=$submission_syslog_name -o smtpd_proxy_filter=$submission_smtpd_proxy_filter -o receive_override_options=$submission_receive_override_options 85.214.107.53:465 inet n - - - - smtpd -o smtpd_tls_wrappermode=$smtps_smtpd_tls_wrappermode -o smtpd_sasl_auth_enable=$smtps_smtpd_sasl_auth_enable -o smtpd_recipient_restrictions=$smtps_smtpd_recipient_restrictions -o syslog_name=$smtps_syslog_name -o smtpd_proxy_filter=$smtps_smtpd_proxy_filter -o receive_override_options=$smtps_receive_override_options #628 inet n - - - - qmqpd pickup fifo n - - 60 1 pickup -o content_filter=lmtp-amavis:[127.0.0.1]:10026 cleanup unix n - - - 0 cleanup qmgr fifo n - n 300 1 qmgr #qmgr fifo n - - 300 1 oqmgr tlsmgr unix - - - 1000? 1 tlsmgr rewrite unix - - - - - trivial-rewrite bounce unix - - - - 0 bounce defer unix - - - - 0 bounce trace unix - - - - 0 bounce verify unix - - - - 1 verify flush unix n - - 1000? 0 flush proxymap unix - - n - 40 proxymap proxywrite unix - - n - 1 proxymap smtp unix - - - - - smtp # When relaying mail as backup MX, disable fallback_relay to avoid MX loops relay unix - - - - - smtp -o smtp_fallback_relay= # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5 showq unix n - - - - showq error unix - - - - - error retry unix - - - - - error discard unix - - - - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - - - - lmtp anvil unix - - - - 1 anvil scache unix - - - - 1 scache # # ==================================================================== # Interfaces to non-Postfix software. Be sure to examine the manual # pages of the non-Postfix software to find out what options it wants. # # Many of the following services use the Postfix pipe(8) delivery # agent. See the pipe(8) man page for information about ${recipient} # and other message envelope options. # ==================================================================== # # maildrop. See the Postfix MAILDROP_README file for details. # Also specify in main.cf: maildrop_destination_recipient_limit=1 # maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient} # # See the Postfix UUCP_README file for configuration details. # uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) # # Other external delivery methods. # ifmail unix - n n - - pipe flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) bsmtp unix - n n - - pipe flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient scalemail-backend unix - n n - 2 pipe flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension} mailman unix - n n - - pipe flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop} ${user} # dovecot dovecot unix - n n - - pipe flags=DROhu user=vmail:vmail argv=/usr/lib/dovecot/deliver -f ${sender} -d ${us...@${nexthop} -n -m ${extension} # AMAVIS # lmtp-client lmtp-amavis unix - - n - 10 lmtp -o lmtp_data_done_timeout=1200 -o lmtp_send_xforward_command=yes -o disable_dns_lookups=yes # smtpd: pre-queue reinjection # external mail: smtpd:25/587 -> amavisd-new:10024/10028 -> smtpd:10025 127.0.0.1:10025 inet n - - - - smtpd -o mynetworks=127.0.0.0/8 -o receive_override_options=no_unknown_recipient_checks -o smtpd_client_connection_count_limit=0 -o smtpd_client_connection_rate_limit=0 -o smtpd_error_sleep_time=0 -o smtpd_soft_error_limit=1001 -o smtpd_hard_error_limit=1000 -o smtpd_restriction_classes= -o smtpd_client_restrictions= -o smtpd_helo_restrictions= -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=permit_mynetworks,reject -o smtpd_data_restrictions=reject_unauth_pipelining -o smtpd_end_of_data_restrictions= -o smtpd_delay_reject=no -o smtpd_authorized_xforward_hosts=127.0.0.0/8 -o syslog_name=postfix-10025 # smtpd: post-queue reinjection # local mail, pickup -> amavisd-new:10026/10032 -> smtpd:10027 127.0.0.1:10027 inet n - - - - smtpd -o mynetworks=127.0.0.0/8 -o receive_override_options=no_header_body_checks,no_address_mappings,no_unknown_recipient_checks -o smtpd_client_connection_count_limit=0 -o smtpd_client_connection_rate_limit=0 -o smtpd_error_sleep_time=0 -o smtpd_soft_error_limit=1001 -o smtpd_hard_error_limit=1000 -o smtpd_restriction_classes= -o smtpd_client_restrictions= -o smtpd_helo_restrictions= -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=permit_mynetworks,reject -o smtpd_data_restrictions=reject_unauth_pipelining -o smtpd_end_of_data_restrictions= -o smtpd_delay_reject=no -o smtpd_authorized_xforward_hosts=127.0.0.0/8 -o syslog_name=postfix-10027 # smtpd: Mailman injection # Mailman -> smtpd:10031 -> amavisd-new:10032 -> smtpd:10027 (see above) # strip DKIM/DomainKey headers 127.0.0.1:10031 inet n - - - - smtpd -o mynetworks=127.0.0.0/8 -o content_filter=lmtp-amavis:[127.0.0.1]:10032 -o receive_override_options= -o smtpd_client_connection_count_limit=0 -o smtpd_client_connection_rate_limit=0 -o smtpd_error_sleep_time=0 -o smtpd_soft_error_limit=1001 -o smtpd_hard_error_limit=1000 -o smtpd_restriction_classes= -o smtpd_client_restrictions= -o smtpd_helo_restrictions= -o smtpd_sender_restrictions= -o smtpd_recipient_restrictions=permit_mynetworks,reject -o smtpd_data_restrictions=reject_unauth_pipelining -o smtpd_end_of_data_restrictions= -o smtpd_delay_reject=no -o smtpd_authorized_xforward_hosts=127.0.0.0/8 -o syslog_name=postfix-mm # fragile transport for web.de & Co. fragile unix - - - - 20 smtp 85.214.107.53:25 inet n - n - 1 postscreen [2001:6f8:1048::2]:25 inet n - n - 1 postscreen smtpd pass - - y - - smtpd -o smtpd_proxy_filter=127.0.0.1:10024 #85.214.107.53:25 inet n - - - - smtpd dnsblog unix - - n - 0 dnsblog #smtp inet n - n - 1 postscreen