Overly permissive ‘all’ terms

SPF- Avoid Overly permissive All Terms

+all your domain are belong to them When you allow email to be sent on behalf of your domain by anyone anywhere, then your domain does in a sense belong to anyone who wants it. A common error made by organizations in setting up their SPF records is the use of an overly permissive all […]

Phishing Poses the Biggest Threat to Your Email According to a Google Study

It’s highly likely that you or someone you know has had a personal email or social media account hijacked at some point. Once hijackers gain access, they often then send out messages to your entire contact list to gain control of their accounts too. Such attacks expose a ton of sensitive personal data. Hijackers use […]

Understanding Fraudmarc’s Email Security Scores

Fraudmarc ranks the security of every domain’s email using an Email Security Score. You check the Email Security Score of any domain here. Why Evaluate Email Security? As phishing attacks  become more sophisticated and frequent, email security is more important than ever. Fortunately, there are email authentication protocols exist to help businesses secure their domains […]

The Growing Risk of Phishing Attacks On Your Cryptocurrency Wallet

According to CoinMall, there are 4 ways that you could lose your cryptocurrency to phishing: email phishing, ads phishing, chat phishing, and unconventional methods (SMS phishing and targeted social engineering attacks). All of these phishing methods involve an attempt to trick you into entering your sensitive data into a malicious website. Mass email phishing and […]

What is SPF?

spf check example

SPF stands for “Sender Policy Framework,” and it is simply a list of IP addresses that you have allowed to send email on behalf of your domain. It is published in the form of a DNS TXT file (see “what is DNS”). SPF was developed in the early 2000s as an anti-spam protocol to stop […]

Multiple SPF records

Don’t fall for bad advice The second most common SPF error made by organizations is publishing multiple SPF records for a single domain. This may be in part due to bad advice offered by various email service providers about setting up SPF records. People are sometimes told to create a new SPF record without anyone […]

DNS lookup limits on SPF records

It is easy to exceed the allowed number of DNS lookups The most common SPF error made by organizations is having too many DNS-querying terms in their SPF record. The following SPF terms cause a DNS lookup: include a mx ptr exists redirect Each time these terms are found within an SPF record and within […]