Just as a follow up, one of the test e-mail just got throught ( no idea how come this one got in )
May 31 12:10:00 public59 postfix/smtpd[3777]: connect from mail-am5eur03lp0120.outbound.protection.outlook.com[213.199.154.120] May 31 12:10:00 public59 postfix/smtpd[3777]: setting up TLS connection from mail-am5eur03lp0120.outbound.protection.outlook.com[213.199.154.120] May 31 12:10:00 public59 postfix/smtpd[3777]: Anonymous TLS connection established from mail-am5eur03lp0120.outbound.protection.outlook.com[213.199.154.120]: TLSv1.2 with cipher AES256-SHA256 (256/256 bits) May 31 12:10:00 public59 postfix/smtpd[3777]: 4DC95800B9: client=mail-am5eur03lp0120.outbound.protection.outlook.com[213.199.154.120] May 31 12:10:00 public59 postfix/cleanup[3781]: 4DC95800B9: message-id=<db5pr06mb1304410bba1bbe62bb23a45fe3...@db5pr06mb1304.eurprd06.prod.outlook.com> May 31 12:10:00 public59 postfix/qmgr[3692]: 4DC95800B9: from=<g...@bogus.org>, size=7162, nrcpt=1 (queue active) May 31 12:10:00 public59 postfix/smtpd[3777]: warning: network_biopair_interop: error writing 69 bytes to the network: Connection reset by peer May 31 12:10:00 public59 postfix/smtpd[3777]: warning: network_biopair_interop: error writing 69 bytes to the network: Broken pipe May 31 12:10:00 public59 postfix/smtpd[3777]: disconnect from mail-am5eur03lp0120.outbound.protection.outlook.com[213.199.154.120] May 31 12:10:00 public59 postfix/smtp[3782]: Host offered STARTTLS: [softjam-it.mail.protection.outlook.com] May 31 12:10:03 public59 postfix/smtp[3782]: 4DC95800B9: to=<g.denic...@softjam.it>, relay=softjam-it.mail.protection.outlook.com[213.199.154.42]:25, delay=2.9, delays=0.15/0.02/0.27/2.5, dsn=2.6.0, status=sent (250 2.6.0 <db5pr06mb1304410bba1bbe62bb23a45fe3...@db5pr06mb1304.eurprd06.prod.outlook.com> [InternalId=3289944951325, Hostname=DB6PR0301MB2328.eurprd03.prod.outlook.com] 14626 bytes in 0.697, 20.479 KB/sec Queued mail for delivery) May 31 12:10:03 public59 postfix/qmgr[3692]: 4DC95800B9: removed From: owner-postfix-us...@postfix.org [mailto:owner-postfix-us...@postfix.org] On Behalf Of Giuseppe De Nicolò Sent: mercoledì 31 maggio 2017 11:40 To: postfix-users@postfix.org Subject: disconnect after connect Questo mittente non ha superato i nostri controlli per il rilevamento di frodi e potrebbe non essere chi sembra essere. Altre informazioni sullo spoofing<http://aka.ms/LearnAboutSpoofing> Commenti e suggerimenti<http://aka.ms/SafetyTipsFeedback> Hello everyone, I'm setting up a relay host that is going to do some rewrite for domain name consolidation from o365 , I am having some communication problem with connection from o365 basically( if needed I can show debug level 3 of those and tcpdump ) : May 31 11:19:55 public59 postfix/smtpd[3480]: connect from mail-db5eur01lp0175.outbound.protection.outlook.com[213.199.154.175] May 31 11:19:55 public59 postfix/smtpd[3480]: setting up TLS connection from mail-db5eur01lp0175.outbound.protection.outlook.com[213.199.154.175] May 31 11:19:55 public59 postfix/smtpd[3480]: Anonymous TLS connection established from mail-db5eur01lp0175.outbound.protection.outlook.com[213.199.154.175]: TLSv1.2 with cipher AES256-SHA256 (256/256 bits) May 31 11:19:55 public59 postfix/smtpd[3480]: disconnect from mail-db5eur01lp0175.outbound.protection.outlook.com[213.199.154.175] May 31 11:19:55 public59 postfix/smtpd[3480]: connect from mail-db5eur01lp0179.outbound.protection.outlook.com[213.199.154.179] May 31 11:19:56 public59 postfix/smtpd[3480]: setting up TLS connection from mail-db5eur01lp0179.outbound.protection.outlook.com[213.199.154.179] May 31 11:19:56 public59 postfix/smtpd[3480]: Anonymous TLS connection established from mail-db5eur01lp0179.outbound.protection.outlook.com[213.199.154.179]: TLSv1.2 with cipher AES256-SHA256 (256/256 bits) May 31 11:19:56 public59 postfix/smtpd[3480]: disconnect from mail-db5eur01lp0179.outbound.protection.outlook.com[213.199.154.179] While doing the same from my postfix box seems to work : ay 31 11:21:44 public59 postfix/master[3405]: reload -- version 2.6.6, configuration /etc/postfix May 31 11:26:01 public59 postfix/smtpd[3526]: connect from net-93-145-23-124.cust.vodafonedsl.it[93.145.23.124] May 31 11:26:01 public59 postfix/smtpd[3526]: 1D729800B9: client=net-93-145-23-124.cust.vodafonedsl.it[93.145.23.124] May 31 11:26:01 public59 postfix/cleanup[3531]: 1D729800B9: message-id=<20170531092558.1da4a28...@smtp.netnightmare.com<mailto:20170531092558.1da4a28...@smtp.netnightmare.com>> May 31 11:26:01 public59 postfix/qmgr[3518]: 1D729800B9: from=<giuse...@bogus.org<mailto:giuse...@bogus.org>>, size=573, nrcpt=1 (queue active) May 31 11:26:01 public59 postfix/smtpd[3526]: disconnect from net-93-145-23-124.cust.vodafonedsl.it[93.145.23.124] May 31 11:26:01 public59 postfix/smtp[3532]: Host offered STARTTLS: [softjam-it.mail.protection.outlook.com] May 31 11:26:04 public59 postfix/smtp[3532]: 1D729800B9: to=<g.denic...@softjam.it<mailto:g.denic...@softjam.it>>, relay=softjam-it.mail.protection.outlook.com[213.199.180.170]:25, delay=3.4, delays=0.06/0.02/0.44/2.9, dsn=2.6.0, status=sent (250 2.6.0 <20170531092558.1da4a28...@smtp.netnightmare.com<mailto:20170531092558.1da4a28...@smtp.netnightmare.com>> [InternalId=5763846117492, Hostname=AM5PR0301MB2322.eurprd03.prod.outlook.com] 7704 bytes in 0.188, 39.843 KB/sec Queued mail for delivery) May 31 11:26:04 public59 postfix/qmgr[3518]: 1D729800B9: removed This is my postconf -n alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases bounce_queue_lifetime = 8h command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 3 debug_peer_list = outbound.protection.outlook.com delay_warning_time = 10m html_directory = no inet_interfaces = all inet_protocols = ipv4 local_header_rewrite_clients = static:all mail_owner = postfix mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man message_size_limit = 104857600 mydestination = myhostname = mailserverhostname mynetworks = 127.0.0.0/8 192.168.250.59/32 newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES sample_directory = /usr/share/doc/postfix-2.6.6/samples sender_canonical_maps = regexp:/etc/postfix/config_directory/sender_canonical sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_destination_concurrency_limit = 2 smtp_destination_rate_delay = 1s smtp_tls_CAfile = /etc/postfix/certificates/CA/ca-bundle.crt smtp_tls_CApath = /etc/postfix/certificates/CA smtp_tls_loglevel = 3 smtp_tls_mandatory_protocols = !SSLv2,!SSLv3 smtp_tls_note_starttls_offer = yes smtp_tls_protocols = !SSLv2,!SSLv3 smtpd_banner = $myhostname ESMTP $mail_name smtpd_recipient_restrictions = permit_mynetworks,check_client_access cidr:/etc/postfix/config_directory/access_networks.cidr,reject_unauth_destination smtpd_sender_restrictions = check_sender_access hash:/etc/postfix/config_directory/access,reject smtpd_tls_CAfile = /etc/postfix/certificates/CA/ca-bundle.crt smtpd_tls_CApath = /etc/postfix/certificates/CA/ smtpd_tls_ask_ccert = no smtpd_tls_cert_file = /etc/postfix/certificates/tlscert.crt smtpd_tls_key_file = /etc/postfix/certificates/tlskey.key smtpd_tls_loglevel = 1 smtpd_tls_mandatory_protocols = !SSLv2,!SSLv3 smtpd_tls_protocols = !SSLv2,!SSLv3 smtpd_use_tls = yes soft_bounce = yes transport_maps = hash:/etc/postfix/config_directory/transport unknown_local_recipient_reject_code = 550 Do someone have some idea here ? because I feel like I am missing the obvious Thanks ________________________________ Questo messaggio ed i suoi allegati (se presenti) sono rigorosamente riservati e destinati unicamente all'utilizzo della persona a cui sono indirizzati. Se avete ricevuto questo messaggio per errore, siete pregati di cancellarlo immediatamente e di informare cortesemente il mittente. La non autorizzata pubblicazione, utilizzazione, diffusione, spedizione, stampa o copia di questo messaggio e dei suoi allegati sono rigorosamente vietati. Softjam SpA www.softjam.it<http://www.softjam.it> This e-mail and all attachments (if any) are strictly confidential and intended solely for the use of the individual to whom it is addressed.If you have received this e-mail in error please kindly inform the sender and delete it from your system. Unauthorized publication, use, disclosure, forwarding, printing or copying of this email and its associated attachments are strictly prohibited. Softjam SpA www.softjam.it<http://www.softjam.it> ________________________________ Questo messaggio ed i suoi allegati (se presenti) sono rigorosamente riservati e destinati unicamente all'utilizzo della persona a cui sono indirizzati. Se avete ricevuto questo messaggio per errore, siete pregati di cancellarlo immediatamente e di informare cortesemente il mittente. La non autorizzata pubblicazione, utilizzazione, diffusione, spedizione, stampa o copia di questo messaggio e dei suoi allegati sono rigorosamente vietati. Softjam SpA www.softjam.it This e-mail and all attachments (if any) are strictly confidential and intended solely for the use of the individual to whom it is addressed.If you have received this e-mail in error please kindly inform the sender and delete it from your system. Unauthorized publication, use, disclosure, forwarding, printing or copying of this email and its associated attachments are strictly prohibited. Softjam SpA www.softjam.it
