私はvger.kernel.orgメーリングリストの購読に私のメールサーバrichtercloud.deを使おうとしています。私はUbuntu 14.04で走るpostfix 2.11をセットアップして、送受信作業をします。私はvger.kernel.orgに直接メールを配送するようにpostfixを設定しました。 autoanswer@vger.kernel.orgにメールを送信したとき、送信は成功します（メールがキューを離れる）が、vger.kernel.orgがaを発行しないため受信に失敗します。 STARTTLS SMTPのコマンド（関連する /var/log/mail.log：
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: connect from vger.kernel.org[209.132.180.67]
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: smtp_stream_setup: maxtime=300 enable_deadline=0
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 127.0.0.0/8
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 127.0.0.0/8
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? [::ffff:127.0.0.0]/104
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? [::ffff:127.0.0.0]/104
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? [::1]/128
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? [::1]/128
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 192.168.178.62/32
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 192.168.178.62/32
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 192.168.178.23/32
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 192.168.178.23/32
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 192.168.178.62
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 192.168.178.62
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 192.168.178.23
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 192.168.178.23
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? richtercloud.de
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? richtercloud.de
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_list_match: vger.kernel.org: no match
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_list_match: 209.132.180.67: no match
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: auto_clnt_open: connected to private/anvil
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: send attr request = connect
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: send attr ident = smtp:209.132.180.67
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: private/anvil: wanted attribute: status
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: input attribute name: status
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: input attribute value: 0
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: private/anvil: wanted attribute: count
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: input attribute name: count
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: input attribute value: 1
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: private/anvil: wanted attribute: rate
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: input attribute name: rate
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: input attribute value: 1
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: private/anvil: wanted attribute: (list terminator)
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: input attribute name: (end)
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 220 richtercloud.de ESMTP Postfix (Debian/GNU)
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: watchdog_pat: 0x2cbb60d8
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: < vger.kernel.org[209.132.180.67]: EHLO vger.kernel.org
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_list_match: vger.kernel.org: no match
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: match_list_match: 209.132.180.67: no match
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250-richtercloud.de
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250-PIPELINING
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250-SIZE 10240000
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250-VRFY
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250-ETRN
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250-STARTTLS
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250-ENHANCEDSTATUSCODES
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250-8BITMIME
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250 DSN
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: watchdog_pat: 0x2cbb60d8
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: < vger.kernel.org[209.132.180.67]: MAIL From:<> BODY=8BITMIME SIZE=1778
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 530 5.7.0 Must issue a STARTTLS command first
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: watchdog_pat: 0x2cbb60d8
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: < vger.kernel.org[209.132.180.67]: RCPT To:<richter@richtercloud.de> NOTIFY=FAILURE ORCPT=rfc822;richter@richtercloud.de
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 530 5.7.0 Must issue a STARTTLS command first
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: watchdog_pat: 0x2cbb60d8
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: < vger.kernel.org[209.132.180.67]: DATA
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 530 5.7.0 Must issue a STARTTLS command first
Oct 5 12:55:24 richtercloud postfix/smtpd[27539]: watchdog_pat: 0x2cbb60d8
Oct 5 12:58:24 richtercloud postfix/smtpd[27539]: < vger.kernel.org[209.132.180.67]: NOOP
Oct 5 12:58:24 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 250 2.0.0 Ok
Oct 5 12:58:24 richtercloud postfix/smtpd[27539]: watchdog_pat: 0x2cbb60d8
Oct 5 12:58:41 richtercloud postfix/smtpd[28022]: connect from hermes.apache.org[140.211.11.3]
Oct 5 12:58:42 richtercloud postfix/smtpd[28022]: disconnect from hermes.apache.org[140.211.11.3]
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: < vger.kernel.org[209.132.180.67]: QUIT
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: > vger.kernel.org[209.132.180.67]: 221 2.0.0 Bye
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 127.0.0.0/8
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 127.0.0.0/8
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? [::ffff:127.0.0.0]/104
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? [::ffff:127.0.0.0]/104
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? [::1]/128
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? [::1]/128
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 192.168.178.62/32
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 192.168.178.62/32
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 192.168.178.23/32
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 192.168.178.23/32
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 192.168.178.62
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 192.168.178.62
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? 192.168.178.23
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? 192.168.178.23
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostname: vger.kernel.org ~? richtercloud.de
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_hostaddr: 209.132.180.67 ~? richtercloud.de
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_list_match: vger.kernel.org: no match
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: match_list_match: 209.132.180.67: no match
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: send attr request = disconnect
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: send attr ident = smtp:209.132.180.67
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: private/anvil: wanted attribute: status
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: input attribute name: status
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: input attribute value: 0
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: private/anvil: wanted attribute: (list terminator)
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: input attribute name: (end)
Oct 5 12:59:13 richtercloud postfix/smtpd[27539]: disconnect from vger.kernel.org[209.132.180.67]
Oct 5 13:02:33 richtercloud postfix/anvil[27581]: statistics: max connection rate 1/60s for (smtp:209.132.180.67) at Oct 5 12:55:24
Oct 5 13:02:33 richtercloud postfix/anvil[27581]: statistics: max connection count 1 for (smtp:209.132.180.67) at Oct 5 12:55:24
Oct 5 13:02:33 richtercloud postfix/anvil[27581]: statistics: max cache size 2 at Oct 5 12:58:41
）このような振る舞いは多くの送信者にとって問題になるかもしれないと思います。
postconf -n
alias_database = hash:/etc/aliases
alias_maps = hash:/etc/aliases
append_dot_mydomain = no
biff = no
config_directory = /etc/postfix
debug_peer_list = vger.kernel.org
home_mailbox = .Maildir/
inet_interfaces = all
inet_protocols = ipv4
mail_owner = postfix
mailbox_size_limit = 0
mydestination = richtercloud.de, localhost, localhost.localdomain
myhostname = richtercloud.de
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 192.168.178.62/32 192.168.178.23/32 192.168.178.62 192.168.178.23 richtercloud.de
myorigin = /etc/mailname
readme_directory = no
recipient_delimiter =
relayhost = smtp.elasticemail.com:2525
smtp_generic_maps = hash:/etc/postfix/generic
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
smtp_tls_enforce_peername = no
smtp_tls_loglevel = 1
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtp_use_tls = yes
smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
smtpd_enforce_tls = yes
smtpd_helo_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_invalid_hostname, reject_unauth_pipelining, reject_non_fqdn_hostname
smtpd_recipient_restrictions = permit_mynetworks permit_sasl_authenticated reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_path = smtpd
smtpd_sender_restrictions = permit_mynetworks permit_sasl_authenticated permit_tls_clientcerts
smtpd_tls_cert_file = /etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file = /etc/ssl/private/ssl-cert-snakeoil.key
smtpd_tls_loglevel = 1
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtpd_use_tls = yes
transport_maps = hash:/etc/postfix/transport
telnet richtercloud.de 25：
Trying 192.168.178.76...
Connected to richtercloud.de.
Escape character is '^]'.
220 richtercloud.de ESMTP Postfix (Debian/GNU)
ehlo richtercloud.de
250-richtercloud.de
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
私のサーバーがオープンリレーにならないようにするには、そのようなコマンドを発行しなければならないと思います、そしてなぜvger.kernel.orgがそうしないのか理解できません。 SMTPで安全な送信を強制する、すなわちautoanswer@vger.kernel.orgへのメッセージの返信を受け取るにはどうすればよいですか。