MVP Alan Byrne writes on how to avoid your emails being marked as spam and how ensure anyone spoofing your domain is blocked.
How to use Exchange Online mail flow rules to improve the effectiveness of your EOP spam filtering and protect Office 365 users from phishing attacks.
Are Sender Policy Framework (SPF) records in DNS necessary for domains these days?
Are there any security or compliance concerns for Office 365 customers who allow emails to be sent to Microsoft Teams channels?
Emails sent using web forms on a website may not be received in the mailbox of the recipient due to a configuration or filtering issue.
In this episode of the Exchange Server Pro Podcast Brian Reid and I discuss Exchange Online Protection and new ATP features.
A blocked sender in a Exchange Server mailbox’s junk email configuration causes SMTP error 554 5.1.0 Sender Denied.
How to configure an Exchange organization to prevent LinkedIn from scraping the address list for email addresses.
Learn about open relays and how to verify that your Exchange Server is not one of them.
The Epsilon data breach that compromised tens of millions of email addresses has been the big news of the email world lately. What are you telling your customers to expect?