Email Authentication and Standards
SPF, DKIM, DMARC, BIMI, MTA-STS, and TLS-RPT — standards, guidance, and enforcement strategy for the enterprise inbox.
What is Email Scanning?
Email scanning can only scan emails from accounts that have POP3 and SMTP enabled. With POP3 accounts, the email scanning feature finds and deletes the malicious file even before it is downloaded to your inbox. In this article, we will...
Read the article
How to Set Up SMTP Service for Windows Server
All versions of Windows Server come with tools that can be used to install an SMTP server. This SMTP server...
What you need to know: DKIM Signatures
What is a DKIM Signature? There are several different email authentication protocols, but only one has a top-secret encrypted digital...
How To Setup SMTP Relay Gmail?
Without having to manage your outgoing email server, Gmail enables you to combine Google’s SMTP server settings with the web...
Why you should not DIY DMARC or use a reporting tool
Automated software is better equipped to handle the analysis of DMARC reports. This is due to the fact that the...
STARTTLS and SSL/TLS? Email Encryption explained
STARTTLS and SSL/TLS are standard protocols used to secure email transmissions. Due to the abbreviations’ similarities, it can become confusing...
Email Authentication: First Line of Defense against BEC
Skysnag automatically applies default authentication to your marketing emails in order to improve deliverability. In order to safeguard email senders and...
What is an SMTP port? SMTP Security explained
Are you currently configuring an SMTP service and have just come across a port field that you are unsure of...
All you need to know about DMARC Reports
A DMARC report gives you access to your email channels so you can keep an eye on what is happening...
What is a DKIM Selector and how does it work?
DKIM selectors help mail servers locate the correct public key used to verify signed emails. In this guide, you’ll learn how DKIM selectors work, where to find them, why multiple selectors are used, and how they improve email authentication, deliverability, and protection against spoofing and phishing attacks.
3 Steps to Fix “No DMARC Record Found”
Have you ever received the prompt “No DMARC Record Found” message? If so, we can assist you with fixing the...
Multiple SPF records on a domain?
Can more than one SPF record be present on the same domain? The answer is no; if a domain contains...
DMARC Explained
DMARC builds on the widely deployed sender and recipient protocols such as SPF & DKIM. DMARC adds reporting capability from receivers to senders,...
Check your domain's DMARC compliance.
Five protocols. Sixty seconds. No account. A full authentication-posture report on your domain, delivered before your coffee cools.