Microsoft has blacklisted UK hosting firm TSO Host. The reasons are unclear. But email senders are complaining about their inability to reach Hotmail or Outlook. 

Google blocks 100 million phishing emails per day, a Google executive said at the Black Hat conference. There are three types: low-volume spear-phishing, boutique spear phishing and automated bulk spear phishing. 

Marketers are often taken in by the allure of new channels, but they shouldn’t ignore the old ones. Email, to name one, still produces the highest ROI. Here’s the case for sticking with the established channels. 

Some vendors promise 99% email deliverability. But all that means is that the messages were delivered — not that they reached the inbox. Here’s what you need to know about email deliverability.

Salesforce is acquiring ClickSoftware, a field service company, for $1.35 billion in cash and stock. The deal will help Salesforce compete with Microsoft, which owns field service company FieldOne.

Twilio has introduced SendGrid Ads, a tool that allow companies to integrate their advertising and email, this week. That may be only one of the cross-sell opportunities between Twilio and SendGrid. SendGrid CEO Sameer Dholakia explains why in an interview conducted at Twilio’s annual developer conference.  

Google has extended its advanced protection program to block malware in Chrome as well as Gmail. When risks are detected, Chrome will block or warn the user about file downloads.

Email testing may be necessary, but it must be done right. Here’s a way to switch to objective-led testing for long-term gain. 

Email scam artists are pitching lists of music festival attendees, including email addresses and other data. But those lists, being offered by email to music industry professionals, are fake. 

The email addresses of 6.2 million Americans were exposed by a Democratic Senatorial Campaign Committee. The breach was discovered by researchers at security firm Upguard in July.