From: Aleksey Perov (no email)
Date: Mon Dec 01 2003 - 03:50:17 EST
Wietse Venema wrote:
> Luca Berra:
> > hello, i am getting some spam with an envelope sender with an empty
> > localpart
> > how comes postfix accepts such stuff?
>
> You didn't turn on the stricted RFC821 address syntax.
>
I have strict_rfc821_envelopes=yes, but this does not help:
root at guamoko root# telnet 0 25
Trying 0.0.0.0...
Connected to 0.
Escape character is '^]'.
220 guamoko ESMTP Postfix 2.0.16
helo 1
250 guamoko
mail from:<@sura.ru>
250 Ok
rcpt to:<algardo at guamoko>
250 Ok
data
354 End data with <CR><LF>.<CR><LF>
To: algardo at guamoko
Subject: 1
1
.
250 Ok: queued as 9217A1F858
quit
221 Bye
Connection closed by foreign host.
The message delivered:
===8<===
Return-Path: <""@sura.ru>
X-Original-To: algardo at guamoko
Delivered-To: algardo at guamoko
Received: from 1 (localhost.localdomain [127.0.0.1])
by guamoko (Postfix) with SMTP id 9217A1F858
for <algardo at guamoko>; Mon, 1 Dec 2003 11:25:10 +0300 (MSK)
To: algardo at guamoko
Subject: 1
Message-Id: <20031201082510 dot 9217A1F858 at guamoko>
Date: Mon, 1 Dec 2003 11:25:10 +0300 (MSK)
From: ""@sura.ru
1
===8<===
postconf -n:
alias_database = hash:/etc/postfix/aliases
alias_maps = hash:/etc/postfix/aliases
append_dot_mydomain = no
biff = no
command_directory = /usr/sbin
config_directory = /etc/postfix
daemon_directory = /usr/libexec/postfix
debug_peer_level = 2
debug_peer_list = 127.0.0.1
default_database_type = btree
hash_queue_depth = 1
local_recipient_maps = $alias_maps unix:passwd.byname
mail_owner = postfix
mailbox_command = /usr/bin/maildrop
mailq_path = /usr/sbin/mailq
manpage_directory = /usr/share/man
myhostname = guamoko
newaliases_path = /usr/sbin/newaliases
notify_classes = bounce,resource,software
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix/readme
sample_directory = /usr/share/doc/postfix/samples
sendmail_path = /usr/sbin/sendmail
setgid_group = postdrop
smtpd_banner = $myhostname ESMTP $mail_name $mail_version
smtpd_recipient_restrictions = reject_unknown_sender_domain reject_unknown_recipient_domain check_recipient_access btree:/etc/postfix/acl/rcpt permit_mynetworks reject_unauth_destination
strict_rfc821_envelopes = yes
Logs:
Dec 1 11:24:57 guamoko postfix/smtpd[7821]: connect from localhost.localdomain[127.0.0.1]
Dec 1 11:24:57 guamoko postfix/smtpd[7821]: > localhost.localdomain[127.0.0.1]: 220 guamoko ESMTP Postfix 2.0.16
Dec 1 11:24:57 guamoko postfix/smtpd[7821]: watchdog_pat: 0x8085e20
Dec 1 11:25:00 guamoko postfix/smtpd[7821]: < localhost.localdomain[127.0.0.1]: helo 1
Dec 1 11:25:00 guamoko postfix/smtpd[7821]: > localhost.localdomain[127.0.0.1]: 250 guamoko
Dec 1 11:25:00 guamoko postfix/smtpd[7821]: watchdog_pat: 0x8085e20
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: < localhost.localdomain[127.0.0.1]: mail from:<@sura.ru>
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: extract_addr: input: <@sura.ru>
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: extract_addr: result: @sura.ru
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: fsspace: .: block size 4096, blocks free 187559
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: smtpd_check_size: blocks 4096 avail 187559 min_free 0 size 0
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: connect to subsystem public/cleanup
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: public/cleanup socket: wanted attribute: queue_id
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: input attribute name: queue_id
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: input attribute value: 9217A1F858
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: public/cleanup socket: wanted attribute: (list terminator)
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: input attribute name: (end)
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: send attr flags = 2
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: 9217A1F858: client=localhost.localdomain[127.0.0.1]
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: > localhost.localdomain[127.0.0.1]: 250 Ok
Dec 1 11:25:10 guamoko postfix/smtpd[7821]: watchdog_pat: 0x8085e20
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: < localhost.localdomain[127.0.0.1]: rcpt to:<algardo at guamoko>
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: extract_addr: input: <algardo at guamoko>
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: extract_addr: result: algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: generic_checks: START
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: generic_checks: name=reject_unknown_sender_domain
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: reject_unknown_address: @sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: connect to subsystem private/rewrite
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr request = rewrite
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr rule = canonicalize
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr address = ""@sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: address
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: address
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: ""@sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: (list terminator)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: (end)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: rewrite_clnt: canonicalize: ""@sura.ru -> ""@sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr request = resolve
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr address = @sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: transport
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: transport
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: smtp
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: nexthop
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: nexthop
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: recipient
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: recipient
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: @sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: flags
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: flags
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: 4096
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: (list terminator)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: (end)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: resolve_clnt_query: `@sura.ru' -> t=`smtp' h=`sura.ru' r=`@sura.ru'
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: ctable_locate: install entry key @sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: reject_unknown_mailhost: sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: lookup sura.ru type 1 flags 0
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: dns_query: sura.ru (A): OK
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: dns_get_answer: type A for sura.ru
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: generic_checks: name=reject_unknown_sender_domain status=0
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: generic_checks: name=reject_unknown_recipient_domain
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: reject_unknown_address: algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr request = rewrite
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr rule = canonicalize
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr address = algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: address
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: address
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: (list terminator)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: (end)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: rewrite_clnt: canonicalize: algardo at guamoko -> algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr request = resolve
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: send attr address = algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: transport
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: transport
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: local
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: nexthop
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: nexthop
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: recipient
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: recipient
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: flags
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: flags
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute value: 256
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: private/rewrite socket: wanted attribute: (list terminator)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: input attribute name: (end)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: resolve_clnt_query: `algardo at guamoko' -> t=`local' h=`guamoko' r=`algardo at guamoko'
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: ctable_locate: install entry key algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: generic_checks: name=reject_unknown_recipient_domain status=0
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: generic_checks: name=check_recipient_access
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: check_mail_access: algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: ctable_locate: leave existing entry key algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: check_access: algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: check_domain_access: guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: check_access: algardo@
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: generic_checks: name=check_recipient_access status=0
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: generic_checks: name=permit_mynetworks
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: permit_mynetworks: localhost.localdomain 127.0.0.1
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: match_hostname: localhost.localdomain ~? 127.0.0.0/8
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: match_hostaddr: 127.0.0.1 ~? 127.0.0.0/8
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: generic_checks: name=permit_mynetworks status=1
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: ctable_locate: leave existing entry key algardo at guamoko
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: recipient_canonical_maps: algardo at guamoko: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: recipient_canonical_maps: algardo: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: recipient_canonical_maps: @guamoko: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: mail_addr_find: algardo at guamoko -> (not found)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: canonical_maps: algardo at guamoko: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: canonical_maps: algardo: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: canonical_maps: @guamoko: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: mail_addr_find: algardo at guamoko -> (not found)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: virtual_alias_maps: algardo at guamoko: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: virtual_alias_maps: algardo: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: virtual_alias_maps: @guamoko: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: mail_addr_find: algardo at guamoko -> (not found)
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: local_recipient_maps: algardo at guamoko: not found
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: maps_find: local_recipient_maps: unix:passwd.byname: algardo = algardo:x:500:100:Aleksey Perov:/home/algardo:/bin/bash
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: mail_addr_find: algardo at guamoko -> algardo:x:500:100:Aleksey Perov:/home/algardo:/bin/bash
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: > localhost.localdomain[127.0.0.1]: 250 Ok
Dec 1 11:25:25 guamoko postfix/smtpd[7821]: watchdog_pat: 0x8085e20
Dec 1 11:25:27 guamoko postfix/smtpd[7821]: < localhost.localdomain[127.0.0.1]: data
Dec 1 11:25:27 guamoko postfix/smtpd[7821]: > localhost.localdomain[127.0.0.1]: 354 End data with <CR><LF>.<CR><LF>
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: public/cleanup socket: wanted attribute: status
Dec 1 11:25:37 guamoko postfix/cleanup[7822]: 9217A1F858: message-id=<20031201082510 dot 9217A1F858 at guamoko>
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: input attribute name: status
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: input attribute value: 0
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: public/cleanup socket: wanted attribute: reason
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: input attribute name: reason
Dec 1 11:25:37 guamoko postfix/qmgr[7473]: 9217A1F858: from=<@sura.ru>, size=314, nrcpt=1 (queue active)
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: input attribute value: (end)
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: public/cleanup socket: wanted attribute: (list terminator)
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: input attribute name: (end)
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: > localhost.localdomain[127.0.0.1]: 250 Ok: queued as 9217A1F858
Dec 1 11:25:37 guamoko postfix/smtpd[7821]: watchdog_pat: 0x8085e20
Dec 1 11:25:37 guamoko postfix/local[7826]: 9217A1F858: to=<algardo at guamoko>, relay=local, delay=27, status=sent ("|/usr/bin/maildrop")
Dec 1 11:25:39 guamoko postfix/smtpd[7821]: < localhost.localdomain[127.0.0.1]: quit
Dec 1 11:25:39 guamoko postfix/smtpd[7821]: > localhost.localdomain[127.0.0.1]: 221 Bye
Dec 1 11:25:39 guamoko postfix/smtpd[7821]: disconnect from localhost.localdomain[127.0.0.1]
Am I missing something obvious?
-- Aleksey Perov
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