Most E-mails contain invisible “Spy Pixel”
According to the “Hey” email provider, two-thirds of all emails contain a “spy pixel”. This invisible pixel might allow companies to track your location and also show devices you own. A “Spy Pixel” is...
Tagged: email
Microsoft warns of new Covid-19 email phishing campaign
Microsoft has issued a warning to its customers regarding the new Covid-19 email phishing campaign. The attack begins when a potential victim receives an email that impersonates the John Hopkins Center. This email claims...
Microsoft blocks reply-all mail feature due to inbox spamming
Microsoft started rolling out a new reply-all mail protection feature for Office 365 and Exchange Online customers. A reply-all protection feature should protect O365 and Exchange Online customers from Inbox wreckage when thousands of...
550 5.4.1 Recipient address rejected: Access denied – O365 Exchange
As we started migrating users to O365 Exchange we have run into a problem for one user. When we tried to send this user an e-mail outside of O365 tenant we receive the following...
