Spamhaus error messages

From time to time it might happen that your sending server ends up in a Spamhaus list. These are some error messages that receiving MX servers have used to block messages from sender

550 11.22.33.44 blacklisted see http://www.spamhaus.org/query/bl?ip=11.22.33.44
550 11.22.33.44 listed at spamhaus, see http://www.spamhaus.org
550 5.2.1 Mailbox unavailable. Your IP address 11.22.33.44 is blacklisted using SPAMHAUS-XBL. Details: https://www.spamhaus.org/query/ip/11.22.33.44.
550 5.7.0 Your server IP address is in the SpamHaus SBL-XBL database, bye
550 5.7.1 11.22.33.44 has been blocked by zen.spamhaus.org
550 5.7.1 :127.0.0.4:Client host 11.22.33.44 blocked using 87.blocklist.zap; Mail from IP banned. To request removal from this list please visit http://www.spamhaus.org/query/bl?ip=$
550 5.7.1 :127.0.0.4:Client host 11.22.33.44 blocked using 87.blocklist.zap; Mail from IP banned. To request removal from this list please visit http://www.spamhaus.org/query/bl?ip=11.22.33.44
550 5.7.1 <sender@example.com>... 11.22.33.44 listed at zen.spamhaus.org
550 5.7.1 <recipient@example.com>... Rejected: 11.22.33.44 listed at zen.spamhaus.org.
550 5.7.1 Blacklisted by zen.spamhaus.org. To avoid this problem on this particular server please visit http://spamfiltered.extra-dns.com/resolve/000-00-00-000-00-00-00-id-00000-00000 - Bezoek de site om dit probleem te verhelpen
550 5.7.1 Client address [11.22.33.44] blocked. You are in the SPAMMER List - Listed on The Spamhaus Project. See http://www.spamhaus.org/query/bl?ip=11.22.33.44
550 5.7.1 Mail from 11.22.33.44 rejected using zen.spamhaus.org. Please see http://www.spamhaus.org/query/bl?ip=11.22.33.44
550 5.7.1 Mail from IP 11.22.33.44 was rejected due to listing in Spamhaus XBL. For details please see http://www.spamhaus.org/query/bl?ip=11.22.33.44
550 5.7.1 Rejected. Sender 11.22.33.44 found in SPL-XBL listing; see http://www.spamhaus.org/query/bl?ip=11.22.33.44
550 5.7.1 Rejected: 11.22.33.44 listed at zen.spamhaus.org
550 5.7.1 Service unavailable, Client host [11.22.33.44] blocked using Spamhaus. To request removal from this list see http://www.spamhaus.org/lookup.lasso (AS16012611)
550 5.7.1 Service unavailable; client [11.22.33.44] blocked using spamhaus.org
550 5.7.1 The IP address was rejected by the Realtime Block List provider zen.spamhaus.org.
550 5.7.1 The IP address was rejected by the sbl.spamhaus.org RBL.
550 5.7.1 This system is configured to reject mail from mta.example.com. Connecting host [11.22.33.44] is listed by the lookup site 'zen.spamhaus.org.'.
550 5.7.1 Your IP address is listed by https://spamhaus.org/zen, correct this
550 5.7.107 The IP address was rejected by the sbl.spamhaus.org RBL.
550 Email blocked by SPAMHAUS
550 Email blocked by SPAMHAUS - to unblock see http://www.example.com/
550 Email blocked by zen.spamhaus.org
550 Listed in zen.spamhaus.org. https://www.spamhaus.org/query/ip/11.22.33.44
550 https://www.spamhaus.org/query/ip/11.22.33.44
550 see https://www.spamhaus.org/query/ip/11.22.33.44"
550 zen.spamhaus.org\nhttps://www.spamhaus.org/query/ip/11.22.33.44
550-5.7.1 Service unavailable; client [11.22.33.44] blocked using zen.spamhaus.org For assistance, see http://www.scrolloutf1.com or contact your administrator. Please provide the following information in your problem report: Time: (Nov 02 11:59:39), Client: (11.22.33.44), Server: (recipient.example.com).
550-IP 11.22.33.44 is blacklisted (xbl.spamhaus.org). Help at/Hilfe unter www.mfaq.info
550-Rejected message because 11.22.33.44 is in a black list at sbl-xbl.spamhaus.org
553 5.3.0 11.22.33.44 Rejected - see http://www.spamhaus.org
553 5.3.0 <recipient@example.com>... Mail from 11.22.33.44 rejected,see http://www.spamhaus.org/lookup/
553 5.7.1 [BL21] Connections will not be accepted from 11.22.33.44, because the ip is in Spamhaus's list; see https://help.yahoo.com/kb/postmaster/SLN5070.html
553 5.7.1 [TSS07] Connections will not be accepted from 11.22.33.44, because the ip is in Spamhaus's list; see https://help.yahoo.com/kb/postmaster/SLN5070.html
553 Mail from 11.22.33.44 not allowed - 5.7.1 [BL23] Connections not accepted from IP addresses on Spamhaus XBL; see http://postmaster.yahoo.com/errors/550-bl23.html [550]
553 https://www.spamhaus.org/query/ip/11.22.33.44
554 5.7.1 <recipient@example.com>: Recipient address rejected: https://www.spamhaus.org/query/ip/11.22.33.44
554 5.7.1 ACL dns_rbl; Client host [11.22.33.44] blocked using sa-ip4tset.blagr.emailsrvr.com=127.24.0.2 Spamhaus XBL. Please visit http://www.spamhaus.org/lookup/ for more information on why this message could not be delivered
554 5.7.1 Blocked - see http://www.spamhaus.org/query/bl?ip=11.22.33.44
554 5.7.1 IP blocked see: https://www.spamhaus.org/query/ip/11.22.33.44
554 5.7.1 Service unavailable; Client host [11.22.33.44] blocked using sbl-xbl.spamhaus.org
554 5.7.1 Service unavailable; Client host [11.22.33.44] blocked using sbl-xbl.spamhaus.org; https://www.spamhaus.org/query/ip/11.22.33.44
554 5.7.1 You are sending spam (check http://www.spamhaus.org/query/bl?ip=11.22.33.44)
554 5.7.1 mta.example.com[11.22.33.44] blocked using zen.spamhaus.org. Please see https://www.spamhaus.org/query/ip/11.22.33.44
554 Denied [SHXBL] - Denied by Spamhaus XBL - See http://www.spamhaus.org/query/bl?ip=11.22.33.44 (Mode: normal)
554 Refused. Your IP address is listed in the RBL at xbl.spamhaus.org
554 Service unavailable; Client host [11.22.33.44] blocked using zen.spamhaus.org; https://www.spamhaus.org/query/ip/11.22.33.44
554 Service unavailable; Client host [mta.example.com] blocked by zen.spamhaus.org; 11.22.33.44
554 bosimpinc12 bizsmtp 11.22.33.44 is on the Spamhaus XBL blacklist. Please visit: http://www.spamhaus.org/query/bl?ip=11.22.33.44
554 mx.recipient.com bizsmtp IB105. Connection refused. 11.22.33.44 is listed on the Exploits Block List (XBL) <http://www.spamhaus.org/query/ip/11.22.33.44> Please visit http://www.spamhaus.org/xbl/ for more information.
554 mx.recipient.com cmsmtp 1sSZcfhLEUv3Q IP blacklisted by Spamhaus. For remediation please use https://www.spamhaus.org/lookup/ [103]