Manage Office 365 global spam filter

First, connect to your tenant Get-HostedContentFilterPolicy |fl We need to manage the AllowedSenderDomains  field. Issue this command to see the situation … Get-HostedContentFilterPolicy |fl AllowedSenderDomains If you want to expant it do this: Get-HostedContentFilterPolicy | select -ExpandProperty AllowedSenderDomains  To filter it and show only the domains list use this command: Get-HostedContentFilterPolicy | select -ExpandProperty AllowedSenderDomains …

Users cannot connect to POP3 or IMAP4 on Exchange Server 2013 or Exchange Server 2016

A customer call me with a problem downloading emails with POP3s from his Exchange server 2013. This was the error from his application server: [04/09/2018][15:15][xxxxx](101764): CSvMailbox::ControllaCasella – Logon: fatture.xxxxxx@xxxxxxxx.it, Mailbox: fatture.xxxxxx@xxxxxxxx.it, [04/09/2018][15:15][xxxxx](101764): Operation: Logon – Error: 0x80004005– xxxxxxx.xxxxxxxSSLPopsException: Remote host disconnected during SSL negotiation. After a quick check  in  with the  eventviewer with no results, I switched to the Exchange’s …

How to rebuild an Exchange server 2016 Search Index?

open cli and input this command: Get-MailboxDatabaseCopyStatus *|sortname|Selectname,status,contentindexstate stop these services: Stop-Service MSExchangeFastSearch Stop-Service HostControllerService locate the path of the db : Get-MailboxDatabase  Get-MailboxDatabaseDB01\SRVCOM |selectEdbFilePath  delete  the GUID folder : now restart the services start-Service MSExchangeFastSearch start-Service HostControllerService and issue this command Get-MailboxDatabaseCopyStatus * | sort name | Select name,status,contentindexstate As you see, the indexing process is …