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.
Do You Really Need an SPF Record?
Are Sender Policy Framework (SPF) records in DNS necessary for domains these days?
How Secure is Sending Emails to Microsoft Teams Channels?
Are there any security or compliance concerns for Office 365 customers who allow emails to be sent to Microsoft Teams channels?
Emails from Website Not Received in Exchange or Exchange Online
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.
Podcast Episode 13: Exchange Online Protection and Advanced Threat Protection with Brian Reid
In this episode of the Exchange Server Pro Podcast Brian Reid and I discuss Exchange Online Protection and new ATP features.
SMTP 554 5.1.0 Sender Denied Caused by Mailbox Junk Email Configuration
A blocked sender in a Exchange Server mailbox’s junk email configuration causes SMTP error 554 5.1.0 Sender Denied.
How (and Why) You Should Block LinkedIn Access to your Exchange Server Organization
How to configure an Exchange organization to prevent LinkedIn from scraping the address list for email addresses.
Email Fundamentals: What is an Open Relay?
Learn about open relays and how to verify that your Exchange Server is not one of them.
What Are You Telling Customers About the Epsilon Data Breach?
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?
Email Spam and How Marketers Think You're Stupid
Some marketers hate the idea that they need permission to enter your inbox. They don’t say it in so many words. They talk about “implied permission”, and their responsibility as marketers to anticipate consumer wants and deliver relevant emails to them. And they think thats what consumers want from them.