The malware detection response settings are Delete Entire Message, Delete All Attachments And Use Default Alert Text, and Delete All Attachments And Use Custom Alert Text.
You can configure the following notification options when malware is detected: Notify Internal Senders, Notify External Senders, Notify Administrators About Undelivered Messages From Internal Senders, and Notify Administrators About Undelivered Messages From External Senders.
You can create different anti-malware policies and then apply them to different groups of mail users.
When creating a new custom anti-malware policy, you need to configure the Applied To setting. This setting takes the form of an If statement with a condition and exceptions.
Spam filter blocks lists and allows lists, allowing you to filter on the basis of email address and sender domain.
Spam filter international settings allow you to filter based on language and country, or region of origin.
Outbound spam policy allows you to configure how spam originating from within your organization is managed.
Use the cmdlets with the MalwareFilterPolicy noun to view, modify, create, and remove malware filter policies.
Use the cmdlets with the MalwareFilterRule noun to view, modify, create, and disable malware filter rules.
Use the cmdlets with the HostedConnectionFilterPolicy noun to manage connection filter policies.
Use the cmdlets with the HostedContentFilterPolicy noun to view and edit spam filter settings.
Use the Get and Release-QuarantineMessage cmdlets to search for and release messages from quarantine.
Cutover migration is suitable if your on-premises environment has Exchange Server 2007 or later, less than 200 mailboxes, and you will perform cloud-based account management.
Staged migration is suitable if you have an on-premises deployment of Exchange 2007 deployment with any number of user accounts. Staged migration can be used with on-premises or cloud-based user account management.
Remove move migrations are appropriate if you have more than 2,000 user accounts, have Exchange 2007 or later, and intend to manage migrated users using cloud tools.
IMAP migration is appropriate if you have non-Exchange on-premises messaging solutions.
Use the New-CsEdgeAllowAllKnownDomains cmdlet to allow Skype for Business Online users to communicate with any domain, except those on the blocked list.
Use the New-CsEdgeAllowList cmdlet to configure the domains with which Skype for Business Online users can communicate. This cmdlet must be used in conjunction with the New-CsEdgeDomainPattern and Set-CsTenantFederationConfiguration cmdlets.
Use the New-CsEdgeDomainPattern to modify the list of allowed or blocked domains.
Use the Get-CsTenantFederationConfiguration to view information about the allowed domains and the blocked domains.
You can use the Set-CsTenantFederationConfiguration cmdlet to also disable and enable public IM connectivity.
You can customize meeting invitations, including a logo, help URL, legal URL, and meeting footer text.
Skype for Business push notification allow alerts about incoming and missed instant messages to be displayed whenever the user is not actively using Skype for Business on their phone or tablet.
You can disable push notifications for the Microsoft and Apple Push Notification Service through the Skype for Business Admin Center, or by using the Set-CsPushNotificationConfiguration.
Archived mailboxes can be accessed by clients running Outlook 2007 and later, as well as people running Outlook Web App on computers.
Archive mailboxes cannot be accessed from mobile versions of Outlook and cannot be accessed from Outlook Web App when used from a mobile device web browser.
Litigation hold is applied to an entire mailbox and preserves the contents of that mailbox until the duration of the litigation hold expires, including modified and deleted items.
It can take up to 60 minutes for a litigation hold to be enforced by Exchange Online after an administrator enables the hold.
You can enable litigation hold on a mailbox using the Set-Mailbox Windows PowerShell cmdlet.
When litigation hold or in-place hold are enabled, the quota on the archive mailbox is increased to 100 GB from 30 GB.
In-place hold differs from litigation hold in that only the items that meet the query condition will be protected, rather than all items in the mailbox.
Only users who have been assigned membership of the Discovery Management role group can configure query-based in-place holds.
In-Place hold is managed from Windows PowerShell using cmdlets with the MailboxSearch noun and the InPlaceHold parameter.
You can disable and enable Outlook Web App (OWA), also termed Outlook on the Web, through Exchange Admin Center, or by using the Set-CasMailbox cmdlet with the OwaEnabled parameter.
You can disable and enable ActiveSync through the Exchange Admin Center or by using the Set-CasMailbox cmdlet with the ActiveSyncEnabled parameter.