Guides

How to Verify the Authenticity of an Email from a Known Partner
An email from a familiar supplier, customer, or service provider can appear trustworthy at first glance. The sender’s name may be recognizable, the branding…
How To Automate Trust Verification For Incoming Email Attachments
Email attachments remain a productive part of business communication, but they also give attackers a practical delivery channel for malware, phishing…
What a Sudden Spike in DMARC Reports Reveals
A sudden increase in DMARC reports is an early warning that something has changed in the way a domain’s email is being sent, received, or evaluated. The cause…
Using Sender Reputation Data to Filter Outbound Email Risks
Outbound email can become a security liability when trusted domains are used to distribute phishing, malware, spam, or unauthorized marketing. Sender…
How to Protect Your Domain During a DNS Migration
A DNS migration changes the records that tell the internet where your website, email, and online services are located. Even a small error can interrupt mail…
Bulk Email Infrastructure Trust Audits That Scale
A bulk trust audit examines every domain, subdomain, and mail stream used by an organization to send email. Instead of reviewing one sender at a time, security…
How to Identify Phishing Domains Sharing Your Mail Server IP
A phishing domain can appear connected to your organization when it uses the same mail server IP, hosting provider, or email infrastructure. That overlap can…
Why a Neutral Trust Score Can Signal a New or Inactive Domain
A neutral trust score often means a domain has not accumulated enough reliable history for a strong reputation judgment. It is different from a positive score,…
How to Verify Financial Institution Emails With Trusted Sender Score
A message that appears to come from a bank, lender, insurer, or payment provider can carry serious risks. Attackers frequently imitate financial brands to…
How to Recover a Domain’s Sender Reputation After Spoofing
A spoofing attack can damage a domain’s email reputation even when its mail servers were never compromised. Attackers may impersonate the domain in phishing…