Mail delivery failed: returning message to sender

Singnet Mail Delivery System noreply@singnet.com.sg
Mon Nov 29 06:16:52 GMT 2021


This message was created automatically by mail delivery software.

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:

  cmabusela@sars.gov.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.201]
    SMTP error from remote mail server after RCPT TO:<cmabusela@sars.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 [fNIUkHIeMKKgY2KevIAhAQ.za135]
  cm1@clicks.co.za
    host za-smtp-inbound-2.mimecast.co.za [41.74.193.210]
    SMTP error from remote mail server after RCPT TO:<cm1@clicks.co.za>:
    550 Invalid Recipient - https://community.mimecast.com/docs/DOC-1369#550 [llQSczDXPs-17wg6YyfR5Q.za21]
  clypac@megasurfwifi.co.za
    host megasurfwifi.co.za [102.129.48.36]
    SMTP error from remote mail server after RCPT TO:<clypac@megasurfwifi.co.za>:
    550 This address no longer accepts mail."
  cmabuse@toco.co.za
    host 1-grid-mx04.com [41.61.249.80]
    SMTP error from remote mail server after RCPT TO:<cmabuse@toco.co.za>:
    554 5.7.1 Service unavailable; Client host [52.221.55.32] blocked using b.barracudacentral.org; http://www.barracudanetworks.com/reputation/?pr=1&ip=52.221.55.32
  cm.intfrnational@cmworks.com
    host cmworks-com.mail.protection.outlook.com [104.47.56.138]
    SMTP error from remote mail server after RCPT TO:<cm.intfrnational@cmworks.com>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [CO1NAM11FT017.eop-nam11.prod.protection.outlook.com]
  cm@sphgroup.co.za
    host mx1.zamailgate.com [5.9.244.42]
    SMTP error from remote mail server after end of data:
    550 High probability of spam
  cm562@hilton.kzn.school.za
    all hosts for 'hilton.kzn.school.za' have been failing for a long time (and retry time not reached)
  cm540@hilton.kzn.school.za
    all hosts for 'hilton.kzn.school.za' have been failing for a long time (and retry time not reached)
  cmabitsela@sars.gov.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<cmabitsela@sars.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 [Qko06QEZMgCZNdOwGAbFEA.za142]
  Cmabaso@sars.gov.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<Cmabaso@sars.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 [Qko06QEZMgCZNdOwGAbFEA.za142]
  cmaake@avis.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<cmaake@avis.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 [Qko06QEZMgCZNdOwGAbFEA.za142]
  clyde@debonairspizza.co.za
    host za-smtp-inbound-1.mimecast.co.za [41.74.197.201]
    SMTP error from remote mail server after RCPT TO:<clyde@debonairspizza.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 [Qko06QEZMgCZNdOwGAbFEA.za142]
  cm2smartlink@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<cm2smartlink@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
  cm20@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<cm20@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
  clypac@mweb.co.za
    host securemail-mx3.synaq.com [196.35.198.130]
    SMTP error from remote mail server after RCPT TO:<clypac@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
  clyde@african-terroir.co.za
    host mail.african-terroir.co.za [196.22.142.173]
    SMTP error from remote mail server after RCPT TO:<clyde@african-terroir.co.za>:
    550 Unroutable address
  clynch@mim.ncape.gov.za
    host securemail-mx1.synaq.com [196.35.198.158]
    SMTP error from remote mail server after RCPT TO:<clynch@mim.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
  cm@counsel.co.za
    host spammx2.netwide.co.za [41.76.181.1]
    SMTP error from remote mail server after RCPT TO:<cm@counsel.co.za>:
    554 5.7.1 <cm@counsel.co.za>: Recipient address rejected:
    Access denied
  clyde.davis@sonymusic.com
    host sonymusic-com.mail.protection.outlook.com [104.47.2.36]
    SMTP error from remote mail server after RCPT TO:<clyde.davis@sonymusic.com>:
    550 5.4.1 Recipient address rejected: Access denied. AS(201806281) [DB5EUR01FT059.eop-EUR01.prod.protection.outlook.com]
  clyan@sohu.com
    host sohumx1.sohu.com [36.110.185.79]
    SMTP error from remote mail server after RCPT TO:<clyan@sohu.com>:
    550 5.1.1 <clyan@sohu.com>: Recipient address rejected:
    User unknown in local recipient table
  clyano001@mail.uct.ac.za
    all hosts for 'mail.uct.ac.za' have been failing for a long time (and retry time not reached)
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