Hello,
I run an RCT with three automated follow up emails through the XM directory. We have come in this morning to a large proportion of bounced emails and it appears we have been added to a spamhaus block list related to the IP address sending the emails. I need quite urgent advice on how to get off the list. Unsure whether this is an isolated problem related to our study - or Qualtrics more generally?
Two of the errors were as below:
Remote Server returned '554 5.0.0
Thanks,
Melissa
Added to Spamhaus blocklist
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