Sharepoint – Unlock and Delete a locked Library

Sometimes, some of the libraries and lists in SharePoint, both online and on-premises, might get locked for deletion, meaning you cannot delete them by any means, this is particularly through for Record libraries. Let’s see how to unlock and/or delete a locked library on a Sharepoint site. Read More …

Postfix – SMTP E-Mail Relay for Office 365

Postfix is a flexible mail server that is available on most Linux distribution. Though a full featured mail server, Postfix can also be used as a simple relay host to another mail server, or smart host. This tutorial will describe how to configure Postfix as a relay through Office 365 service, so using Exchange Online. Read More …

Exchange Online – Preventing Domain Spoofing

In many business environments domain spoofing can be a real threat: this is a common form of phishing and usually occurs when an attacker appears to use a company’s domain to impersonate a company or one of its employees. Read More …