Domain-based Message Authentication
Updated: 08/12/2024
Article #: 308
The reason this specific e-mail was blocked was because it triggered a DMARC violation.
Every organization has the ability to register authorized e-mail servers' IP Addresses with the rest of the world via their DNS records.
By entering this information into DNS records the organization is requesting that the rest of the world honor their request to NOT accept e-mail claiming to be FROM this organization if the e-mail was not sent from an authorized IP Address.
For example:
All e-mails with a FROM of @usc.salvationarmy.org WILL come from IP1, IP2, or IP3
If they do not come from one of these 3 IP addresses, they are not real and should be considered malicious.
By policy, the THQ IT Team will not deliver any e-mail that violate DMARC.
You can resolve this issue by informing the sender so they can let their IT department know. They will know what this message means - and have the ability to address the situation.
If their IT department does not know how to proceed, have them contact john.tate@usc.salvationarmy.org for assistance.
Every organization has the ability to register authorized e-mail servers' IP Addresses with the rest of the world via their DNS records.
By entering this information into DNS records the organization is requesting that the rest of the world honor their request to NOT accept e-mail claiming to be FROM this organization if the e-mail was not sent from an authorized IP Address.
For example:
All e-mails with a FROM of @usc.salvationarmy.org WILL come from IP1, IP2, or IP3
If they do not come from one of these 3 IP addresses, they are not real and should be considered malicious.
By policy, the THQ IT Team will not deliver any e-mail that violate DMARC.
You can resolve this issue by informing the sender so they can let their IT department know. They will know what this message means - and have the ability to address the situation.
If their IT department does not know how to proceed, have them contact john.tate@usc.salvationarmy.org for assistance.
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