Mail delivery failed: returning message to sender

Singnet Mail Delivery System noreply@singnet.com.sg
Mon Nov 29 07:04:23 GMT 2021


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A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

  jlffs@iafrica.com
    host nav-gateway.mweb.co.za [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<jlffs@iafrica.com>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  jlewitus@townofsharon.org
    host d223892a.ess.barracudanetworks.com [209.222.82.253]
    SMTP error from remote mail server after end of data:
    550 Service unavailable; Client host [omr21.orchid.atmailcloud.com] blocked using Barracuda Reputation; http://www.barracudanetworks.com/reputation/?r=1&ip=52.221.55.32 (jlewitus@townofsharon.org:blocked)
  jleyer@metropolitan.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<jleyer@metropolitan.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [y_XgpfmfOByKJA69ubJRHA.za141]
  jlewis@uctgsh1.uct.ac.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<jlewis@uctgsh1.uct.ac.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [y_XgpfmfOByKJA69ubJRHA.za141]
  jlesoetsa@justice.gov.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<jlesoetsa@justice.gov.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [y_XgpfmfOByKJA69ubJRHA.za141]
  jlephuthing@sataxifin.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<jlephuthing@sataxifin.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [y_XgpfmfOByKJA69ubJRHA.za141]
  jlegrange@dcd.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<jlegrange@dcd.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [y_XgpfmfOByKJA69ubJRHA.za141]
  jlegarange@dcd.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<jlegarange@dcd.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [y_XgpfmfOByKJA69ubJRHA.za141]
  jledwaba@unitransmotors.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<jledwaba@unitransmotors.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [y_XgpfmfOByKJA69ubJRHA.za141]
  jledu@jl.gov.cn
    host c08691dedec4c1c0.qaxcloudwaf.com [111.26.54.15]
    SMTP error from remote mail server after RCPT TO:<jledu@jl.gov.cn>:
    550 User not found: jledu@jl.gov.cn
  jlexcavators@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<jlexcavators@mweb.co.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  jlebi@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<jlebi@mweb.co.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  jlewis@cs.uct.ac.za
    host hotstuff-4.cs.uct.ac.za [137.158.160.142]
    SMTP error from remote mail server after RCPT TO:<jlewis@cs.uct.ac.za>:
    550 Gone away."
  jleroux@ronnies.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<jleroux@ronnies.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [PSRd85NmPOe9ntclilgFoQ.za65]
  JLeppan@a-b-h.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<JLeppan@a-b-h.co.za>:
    550 sip.invaluement.mimecast.org Blocked by ivmSIP and/or ivmSIP/24 - see https://www.invaluement.com/lookup/?item=52.221.55.32. - https://community.mimecast.com/docs/DOC-1369#550 [PSRd85NmPOe9ntclilgFoQ.za65]
  jlensing@natuur.ncape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<jlensing@natuur.ncape.gov.za>:
    550-rejected because 52.221.55.32 is in a black list at combined.abusix.dnsbl
    550 https://lookup.abusix.com/search?q=52.221.55.32
  jlewis@medic.up.ac.za
    host aspmx.l.google.com [74.125.24.26]
    SMTP error from remote mail server after RCPT TO:<jlewis@medic.up.ac.za>:
    550-5.1.1 The email account that you tried to reach does not exist. Please try
    550-5.1.1 double-checking the recipient's email address for typos or
    550-5.1.1 unnecessary spaces. Learn more at
    550 5.1.1  https://support.google.com/mail/?p=NoSuchUser c6si7488999pls.167 - gsmtp
  JLebisi@metrorail.co.za
    host metrorail-co-za.mail.eo.outlook.com [104.47.19.238]
    SMTP error from remote mail server after RCPT TO:<JLebisi@metrorail.co.za>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [CT2ZAF01FT010.eop-zaf01.prod.protection.outlook.com]
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