Danielle Tristao
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Activity overview
Latest activity by Danielle Tristao-
Danielle Tristao created an article,
Using a Subdomain Policy with DMARC
How DMARC receivers retrieve policyDMARC receivers are instructed per specification to retrieve the DMARC DNS record using the 5322.From domain of an inbound message. The retrieved policy is then ...
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Danielle Tristao created an article,
What is SBRS?
SenderBase Reputation Score (SBRS) is a numeric value that is assigned to an IP address based on information from the SenderBase Reputation Score. The SBRS combines the information from different s...
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Danielle Tristao created an article,
How long can my SPF record be?
When creating a SPF record you are limited to a 255 character string. If you attempt to create a SPF or TXT record with a longer string (>255 Characters), BIND will give an error (e.g. "Inv...
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Danielle Tristao created an article,
What are some common terms I might hear when working with Agari?
Threat Feed: A service provided by Agari to send un-whitelisted URIs parsed from RUF (forensic) data to a phishing analysis + take-down vendor. This service allows potential phishing URIs to be ...
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Danielle Tristao created an article,
What is the difference between the "Mail From" and "From" Header, aren't they the same?
The easiest way to visualize how this works is to think of it like real postal mail. When you send a letter, you send it in an envelope. The envelope contains your message. The return address writt...
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Danielle Tristao created an article,
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Danielle Tristao created an article,
What is Identifier Alignment?
DMARC requires that a message not only pass DKIM or SPF validation, but that its identifier domains are "in alignment". For SPF, the message must pass the SPF check and the domain in the ...
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Danielle Tristao created an article,
What are the requirements for passing DMARC?
A message must receive a true 'pass' result in *either* SPF or DKIM in order to pass DMARC. In addition beyond the base protocol, there must be identifier alignment. Alignment: In the DKIM in...
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Danielle Tristao created an article,
How do I configure my DMARC record?
The Agari Customer Protect portal offers a DMARC building tool which can be found by going to Tools> DMARC: Before you can create a DMARC record, you will need to search the domain for an ...