root@dev:/etc/dovecot# tail -f /var/log/mail.err Mar 12 07:41:44 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info Mar 12 08:01:13 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info Mar 12 08:09:44 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info Mar 12 08:23:48 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info Mar 12 08:38:39 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info ^C root@dev:/etc/dovecot# tail -f /var/log/mail.log Mar 12 08:33:44 dev postfix/smtp[24105]: AFE5920CD8: to=, relay=mx.concretewhisperer.ca[66.96.140.175]:25, delay=550, delays=548/0.14/2.2/0, dsn=4.0.0, status=deferred (host mx.concretewhisperer.ca[66.96.140.175] refused to talk to me: 554 bosimpinc11 bizsmtp Connection rejected. Reverse DNS for 159.203.63.220 does not exist.) Mar 12 08:33:44 dev postfix/smtp[24104]: 5C76420C88: to=, relay=mx.concretewhisperer.ca[66.96.140.175]:25, delay=2569, delays=2567/0.11/2.3/0, dsn=4.0.0, status=deferred (host mx.concretewhisperer.ca[66.96.140.175] refused to talk to me: 554 bosimpinc11 bizsmtp Connection rejected. Reverse DNS for 159.203.63.220 does not exist.) Mar 12 08:38:39 dev postfix/submission/smtpd[24173]: connect from unknown[159.203.63.220] Mar 12 08:38:39 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info Mar 12 08:38:41 dev postfix/qmgr[23979]: 8633320CD0: from=, size=297, nrcpt=1 (queue active) Mar 12 08:38:41 dev postfix/qmgr[23979]: B08AC20C9C: from=<>, size=2915, nrcpt=1 (queue active) Mar 12 08:38:41 dev postfix/local[24179]: B08AC20C9C: to=, relay=local, delay=2066, delays=2066/0.01/0/0, dsn=2.0.0, status=sent (delivered to mailbox) Mar 12 08:38:41 dev postfix/qmgr[23979]: B08AC20C9C: removed Mar 12 08:38:41 dev postfix/error[24178]: 8633320CD0: to=, relay=none, delay=1239, delays=1239/0.02/0/0.01, dsn=4.0.0, status=deferred (delivery temporarily suspended: host mx.concretewhisperer.ca[66.96.140.175] refused to talk to me: 554 bosimpinc11 bizsmtp Connection rejected. Reverse DNS for 159.203.63.220 does not exist.) Mar 12 08:39:47 dev postfix/submission/smtpd[24173]: C565F20C9C: client=unknown[159.203.63.220], sasl_method=plain, sasl_username=james@bluebaron.ca Mar 12 08:40:12 dev postfix/cleanup[24245]: C565F20C9C: message-id=<20170312083947.C565F20C9C@dev> Mar 12 08:40:12 dev postfix/qmgr[23979]: C565F20C9C: from=, size=300, nrcpt=1 (queue active) Mar 12 08:40:13 dev postfix/smtp[24256]: connect to gmail-smtp-in.l.google.com[2607:f8b0:4001:c01::1b]:25: Network is unreachable Mar 12 08:40:13 dev postfix/smtp[24256]: C565F20C9C: to=, relay=gmail-smtp-in.l.google.com[74.125.201.26]:25, delay=37, delays=37/0.03/0.47/0.32, dsn=5.7.1, status=bounced (host gmail-smtp-in.l.google.com[74.125.201.26] said: 550-5.7.1 [159.203.63.220 1] Our system has detected an unusual rate of 550-5.7.1 unsolicited mail originating from your IP address. To protect our 550-5.7.1 users from spam, mail sent from your IP address has been blocked. 550-5.7.1 Please visit 550-5.7.1 https://support.google.com/mail/?p=UnsolicitedIPError to review our 550 5.7.1 Bulk Email Senders Guidelines. v11si4410869iti.19 - gsmtp (in reply to end of DATA command)) Mar 12 08:40:13 dev postfix/cleanup[24245]: A4C9620CDD: message-id=<20170312084013.A4C9620CDD@dev> Mar 12 08:40:13 dev postfix/qmgr[23979]: A4C9620CDD: from=<>, size=2910, nrcpt=1 (queue active) Mar 12 08:40:13 dev postfix/bounce[24257]: C565F20C9C: sender non-delivery notification: A4C9620CDD Mar 12 08:40:13 dev postfix/qmgr[23979]: C565F20C9C: removed Mar 12 08:40:13 dev postfix/local[24179]: A4C9620CDD: to=, relay=local, delay=0.01, delays=0/0/0/0, dsn=2.0.0, status=sent (delivered to mailbox) Mar 12 08:40:13 dev postfix/qmgr[23979]: A4C9620CDD: removed Mar 12 08:40:29 dev postfix/submission/smtpd[24173]: disconnect from unknown[159.203.63.220] ehlo=2 starttls=1 auth=1 mail=1 rcpt=1 data=1/2 quit=1 commands=8/9 Mar 12 08:40:36 dev postfix/smtpd[24273]: connect from unknown[218.189.140.2] Mar 12 08:40:37 dev postfix/smtpd[24273]: lost connection after EHLO from unknown[218.189.140.2] Mar 12 08:40:37 dev postfix/smtpd[24273]: disconnect from unknown[218.189.140.2] ehlo=1 commands=1 Mar 12 08:40:54 dev postfix/submission/smtpd[24173]: connect from unknown[159.203.63.220] Mar 12 08:41:05 dev postfix/submission/smtpd[24173]: disconnect from unknown[159.203.63.220] ehlo=1 starttls=1 quit=1 commands=3 Mar 12 08:43:41 dev postfix/qmgr[23979]: AFE5920CD8: from=, size=302, nrcpt=1 (queue active) Mar 12 08:43:42 dev postfix/smtp[24338]: AFE5920CD8: host mx.concretewhisperer.ca[66.96.140.174] refused to talk to me: 554 bosimpinc13 bizsmtp Connection rejected. Reverse DNS for 159.203.63.220 does not exist. Mar 12 08:43:43 dev postfix/smtp[24338]: AFE5920CD8: to=, relay=mx.concretewhisperer.ca[66.96.140.175]:25, delay=1150, delays=1148/0.04/2.2/0, dsn=4.0.0, status=deferred (host mx.concretewhisperer.ca[66.96.140.175] refused to talk to me: 554 bosimpinc13 bizsmtp Connection rejected. Reverse DNS for 159.203.63.220 does not exist.) Mar 12 08:44:25 dev postfix/anvil[24175]: statistics: max connection rate 1/60s for (submission:159.203.63.220) at Mar 12 08:38:39 Mar 12 08:44:25 dev postfix/anvil[24175]: statistics: max connection count 1 for (submission:159.203.63.220) at Mar 12 08:38:39 Mar 12 08:44:25 dev postfix/anvil[24175]: statistics: max cache size 2 at Mar 12 08:40:36 postconf -nf^C root@dev:/etc/dovecot# postconf -nf postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_sender_restrictions postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_client_restrictions postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_helo_restrictions alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases append_dot_mydomain = no biff = no inet_interfaces = all inet_protocols = all mailbox_size_limit = 0 mydestination = $myhostname, bluebaron.ca, dev, localhost.localdomain, localhost myhostname = dev mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 myorigin = /etc/mailname readme_directory = no recipient_delimiter = + relayhost = smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_banner = $myhostname ESMTP $mail_name (Ubuntu) smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination smtpd_sasl_auth_enable = yes smtpd_sasl_path = private/auth smtpd_sasl_type = dovecot smtpd_tls_cert_file = /etc/letsencrypt/live/mail.bluebaron.ca/fullchain.pem smtpd_tls_key_file = /etc/letsencrypt/live/mail.bluebaron.ca/privkey.pem smtpd_tls_protocols = !SSLv2, !SSLv3 smtpd_tls_security_level = encrypt smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtpd_use_tls = yes root@dev:/etc/dovecot# postconf -Mf postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_sender_restrictions postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_client_restrictions postconf: warning: /etc/postfix/master.cf: undefined parameter: mua_helo_restrictions smtp inet n - y - - smtpd submission inet n - y - - smtpd -o syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_reject_unlisted_recipient=no -o smtpd_client_restrictions=$mua_client_restrictions -o smtpd_helo_restrictions=$mua_helo_restrictions -o smtpd_sender_restrictions=$mua_sender_restrictions -o smtpd_recipient_restrictions=permit_mynetworks,permit_sasl_authenticated,reject,reject_unauth_destination -o smtpd_relay_restrictions=permit_sasl_authenticated,reject -o milter_macro_daemon_name=ORIGINATING pickup unix n - y 60 1 pickup cleanup unix n - y - 0 cleanup qmgr unix n - n 300 1 qmgr tlsmgr unix - - y 1000? 1 tlsmgr rewrite unix - - y - - trivial-rewrite bounce unix - - y - 0 bounce defer unix - - y - 0 bounce trace unix - - y - 0 bounce verify unix - - y - 1 verify flush unix n - y 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - y - - smtp relay unix - - y - - smtp showq unix n - y - - showq error unix - - y - - error retry unix - - y - - error discard unix - - y - - discard local unix - n n - - local virtual unix - n n - - virtual lmtp unix - - y - - lmtp anvil unix - - y - 1 anvil scache unix - - y - 1 scache maildrop unix - n n - - pipe flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient} uucp unix - n n - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) 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} root@dev:/etc/dovecot# cat users james@bluebaron.ca:chepstow root@dev:/etc/dovecot# tail /var/log/mail.err Mar 12 07:41:44 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info Mar 12 08:01:13 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info Mar 12 08:09:44 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info Mar 12 08:23:48 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info Mar 12 08:38:39 dev dovecot: auth: Error: passwd-file /etc/dovecot/users: User james@bluebaron.ca is missing userdb info root@dev:/etc/dovecot# tail /var/log/mail.log Mar 12 08:40:37 dev postfix/smtpd[24273]: lost connection after EHLO from unknown[218.189.140.2] Mar 12 08:40:37 dev postfix/smtpd[24273]: disconnect from unknown[218.189.140.2] ehlo=1 commands=1 Mar 12 08:40:54 dev postfix/submission/smtpd[24173]: connect from unknown[159.203.63.220] Mar 12 08:41:05 dev postfix/submission/smtpd[24173]: disconnect from unknown[159.203.63.220] ehlo=1 starttls=1 quit=1 commands=3 Mar 12 08:43:41 dev postfix/qmgr[23979]: AFE5920CD8: from=, size=302, nrcpt=1 (queue active) Mar 12 08:43:42 dev postfix/smtp[24338]: AFE5920CD8: host mx.concretewhisperer.ca[66.96.140.174] refused to talk to me: 554 bosimpinc13 bizsmtp Connection rejected. Reverse DNS for 159.203.63.220 does not exist. Mar 12 08:43:43 dev postfix/smtp[24338]: AFE5920CD8: to=, relay=mx.concretewhisperer.ca[66.96.140.175]:25, delay=1150, delays=1148/0.04/2.2/0, dsn=4.0.0, status=deferred (host mx.concretewhisperer.ca[66.96.140.175] refused to talk to me: 554 bosimpinc13 bizsmtp Connection rejected. Reverse DNS for 159.203.63.220 does not exist.) Mar 12 08:44:25 dev postfix/anvil[24175]: statistics: max connection rate 1/60s for (submission:159.203.63.220) at Mar 12 08:38:39 Mar 12 08:44:25 dev postfix/anvil[24175]: statistics: max connection count 1 for (submission:159.203.63.220) at Mar 12 08:38:39 Mar 12 08:44:25 dev postfix/anvil[24175]: statistics: max cache size 2 at Mar 12 08:40:36 root@dev:/etc/dovecot# openssl s_client -starttls smtp -connect mail.bluebaron.ca:587 CONNECTED(00000003) depth=2 O = Digital Signature Trust Co., CN = DST Root CA X3 verify return:1 depth=1 C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3 verify return:1 depth=0 CN = mail.bluebaron.ca verify return:1 --- Certificate chain 0 s:/CN=mail.bluebaron.ca i:/C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3 1 s:/C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3 i:/O=Digital Signature Trust Co./CN=DST Root CA X3 --- Server certificate -----BEGIN CERTIFICATE----- MIIFBjCCA+6gAwIBAgISA4tEb+LGJeQOKa0aP2O24cOxMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNzAzMTEyMTU1MDBaFw0x NzA2MDkyMTU1MDBaMBwxGjAYBgNVBAMTEW1haWwuYmx1ZWJhcm9uLmNhMIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtBivjkvmeTubYiAcXnFATcq4MS5v cM+tNV7QZSGtmmOlgHs3xZdXvOeKfNIHzAGeBHk3GQLCmlA2hNI6XzC+0P5CN7ra MjmHf4Wx+gBep4YBowJUlzBXahhqT+ZOmlNRmuTy0ztg1GEhwidjxI1EbhH0zrBd r5bZ3nUpgpOBAPZ94eI8m7i/qJTcaORUfIxOnLew3i7HN2HNG9TjKMZKf576a4My XXULv4/eAU65dkTjGMihPaWPVRF3KUnDpO0VNORh+5A2jLGNkq6Xw/2BLtCvVfKh aH2NWVN0zELy19G6RUPL59KIaoufXigLRcvtDem/PgPRbMgaA05jX8VGYQIDAQAB o4ICEjCCAg4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggr BgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQsEXCk3dlbN2gYsevhiRke fwQ2UzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBwBggrBgEFBQcB AQRkMGIwLwYIKwYBBQUHMAGGI2h0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlw dC5vcmcvMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5 cHQub3JnLzAcBgNVHREEFTATghFtYWlsLmJsdWViYXJvbi5jYTCB/gYDVR0gBIH2 MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYIKwYBBQUHAgEWGmh0 dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcCAjCBngyBm1RoaXMg Q2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24gYnkgUmVseWluZyBQ YXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0aGUgQ2VydGlmaWNh dGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5cHQub3JnL3JlcG9z aXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQAm7tSRUHpY2n8Ubo4wRFRCwSgrK5LA 7CTVdP40RVhmwHGDoKAH2R82Qe08NySoGJwB9GD6cV9sDKU+8up3Q7Tl7WgmKsTZ ArU58VIOaOHwpWuqaH7W2OJC0GfxRq7qu2JbrUDlLoj4sNiHgwwfbn5F0gZwefy1 PH+LB+ff2B6VVX+/N8Hnp4jtFT3ZwIG5fc8X5ZLT1sP7XGDt7sn4JPQAERS82/hF UHU2DGLsnC7kY1c8oV9aveS8jz2zFs1cknPxtbK7HdIXeRFeM0KzhVZKQkXWGql0 nytVKC4oV7m6PFxfxb+a/iq3EuUUK5Ga9hoJ++QeLm55UYT4gOJR+B0x -----END CERTIFICATE----- subject=/CN=mail.bluebaron.ca issuer=/C=US/O=Let's Encrypt/CN=Let's Encrypt Authority X3 --- No client certificate CA names sent Peer signing digest: SHA512 Server Temp Key: ECDH, P-256, 256 bits --- SSL handshake has read 3314 bytes and written 466 bytes --- New, TLSv1/SSLv3, Cipher is ECDHE-RSA-AES256-GCM-SHA384 Server public key is 2048 bit Secure Renegotiation IS supported Compression: NONE Expansion: NONE No ALPN negotiated SSL-Session: Protocol : TLSv1.2 Cipher : ECDHE-RSA-AES256-GCM-SHA384 Session-ID: 1E09DE6F286E7FEBF0367A8F2CBA6C580CB3D879884219D40C9FD3CC09C723A4 Session-ID-ctx: Master-Key: 03AB47958A6A3E83606E7D888B4D4B3C3CC3FB2E6AE0DCB165A48D61E0548795627F9D55BA01EF11A422BD768CDD1040 Key-Arg : None PSK identity: None PSK identity hint: None SRP username: None TLS session ticket lifetime hint: 7200 (seconds) TLS session ticket: 0000 - 5e ca 3d 33 0a 3c 0e 70-45 be e2 c9 a2 73 03 fe ^.=3.<.pE....s.. 0010 - 9e 29 71 d3 f4 af 68 86-2f 1e 31 19 ce 97 92 d6 .)q...h./.1..... 0020 - 98 d2 93 48 dd 7d b8 ad-33 c1 20 40 d4 a7 d0 43 ...H.}..3. @...C 0030 - 03 07 20 4a dd b8 96 fb-de 7c 29 9f 72 c1 e4 0c .. J.....|).r... 0040 - 6c d9 7f 89 e4 1a 6b 63-fd 8b 00 92 df 4d aa 36 l.....kc.....M.6 0050 - 23 75 b6 d0 6c f7 7f 73-89 44 5f be d6 c9 a3 de #u..l..s.D_..... 0060 - b8 1a 94 5a 06 2a 4f 6e-62 dd d6 de 26 4e f7 d7 ...Z.*Onb...&N.. 0070 - c1 ce 65 33 27 a1 a9 8d-4c a6 df 6e 1a 15 77 4b ..e3'...L..n..wK 0080 - ed cb 14 5a 70 b5 a9 f6-22 7f 8f a8 e0 79 12 dc ...Zp..."....y.. 0090 - 8e 7b 81 78 15 c4 bf 61-22 6f 7a 31 0b d1 01 b2 .{.x...a"oz1.... Start Time: 1489308430 Timeout : 300 (sec) Verify return code: 0 (ok) --- 250 DSN ehlo bluebaron.ca 250-dev 250-PIPELINING 250-SIZE 10240000 250-VRFY 250-ETRN 250-AUTH PLAIN LOGIN 250-ENHANCEDSTATUSCODES 250-8BITMIME 250 DSN auth plain 334 AGphbWVzQGJsdWViYXJvbi5jYQBjaGVwc3Rvdw== 235 2.7.0 Authentication successful mail from: 250 2.1.0 Ok rcpt to: 250 2.1.5 Ok data 354 End data with . balls . 250 2.0.0 Ok: queued as 4BE1D20CCA quit 221 2.0.0 Bye closed root@dev:/etc/dovecot#