It is recommended to ensure you have the highest SPF, DKIM, and DMARC email protection for all your email domains….
email security expert consultant
With over 30 years experience of email security, get in touch with Rob Walton to improve your email security. Email security requires constant improvement to protect against increasing cyber threats to your business. Many of the best email security measures available cost less than what you may think.
SPF DKIM DMARC Email Authentication Review
Ensure SPF, DKIM, and DMARC (Reject Mode) are fully hardened for all your email domains.
This has no cost, and if configured properly provides a significant defense against email attack and email impersonation.
DANE DNSSEC MTA-STS Email Protection
Stay up to date with the latest email security protection standards.
Once you have SPF, DKIM, DMARC fully deployed, you should also upgrade to DANE DNSSEC and MTA-STS.
Exchange Online Data at Rest Encryption
If you are using Exchange Online, you have the option to further encrypt your mailbox data with a private key.
Use BYOK technology as part of M365 E5 to secure your mailboxes.
Email Security Expert – Blog Posts
Email Security for unused email domains
Organizations usually own a large number of email domains, for brand protection reasons. But only use a subset of those…
Review Older TLS Versions and Cipher Suites
TLS 1.3 is becoming prevalent across messaging platforms as we enter 2025. Exchange Online support for TLS 1.3 is due…
End of Support for Exchange 2016 and Exchange 2019
Microsoft have announced a set of important dates for end of support for both Exchange 2016 and Exchange 2019, during…
DANE DNSSEC for M365 Exchange Online
Microsoft have released support for DANE and DNSSEC to improve the email security of your M365 registered email domains. DANE…