Microsoft Entra ID (ex Azure AD) supports Certificate Based Authentication (CBA). This means that you can use certificate authentication to automatically run your PowerShell scripts with no password entry and…

In Exchange Server and Exchange Online (Microsoft 365), you can enable email forwarding at the mailbox level (configured by the administrator using the ForwardingAddress attribute), through mailbox Inbox rules, or…

Within your Exchange organization or Exchange Online (Microsoft 365) tenant, you can create hundreds of Distribution Groups (Distribution Lists, DLs). Distribution lists that are no longer in use should be…

An Exchange mailbox can be assigned a number of additional SMTP addresses, which are known as proxy addresses (aliases). These addresses allow the user to receive e-mails that are sent…

Plus addressing (sometimes called subaddressing) allows you to use unique dynamic SMTP e-mail addresses for your mailbox. It is typically used to protect against spam, track marketing companies, and categorize…

You can allow users to send e-mails on behalf of the shared mailbox in Exchange Server and Microsoft 365 (Exchange Online). However, such an e-mail, once it has been sent,…

In some cases, Outlook clients may stop updating the Exchange Global or Offline Address Book with the error “Outlook cannot update Global Address Book 0x80200049” or 0x80070057. You can add…

An email system based on on-premises Exchange Server or Exchange Online (Microsoft 365) allows an administrator to block (reject) e-mails from specific external domains or sender addresses. There are several…

Outlook mailbox rules allow users to configure different conditions for processing incoming e-mail messages in the Inbox folder. You can use Outlook rules to move e-mails from specific senders to…

Multiple users can access a shared mailbox in Exchange. Unlike a common user mailbox, a shared mailbox account is disabled in Active Directory and cannot be used for interactive sign-in.…