This rule will allow external email to come in still, but will follow O365 scoring.
Navigate to Administration > Account Management > Domains > New Domain.Sign-in to the Proofpoint Essentials user interface.
These values will be necessary when you add your domains to Proofpoint Essentials.Īdding domain(s) to Proofpoint Essentials
Information on connecting using POP/IMAP can also be found online at the Microsoft Office 365 support site.Locate your MX record for the domain in Office 365 You must use SSL to encrypt your connection or else authentication will fail. You will also need to use a bind DN of (replacing with your username) The Base DN to use is: DC=addressbook,DC=local If your mail client has the ability to query an LDAP server, you may also wish to configure it to look up email addresses in the University's LDAP server, the address of which is: .uk You will need to authenticate so tick the authentication box if there is one and login using your and password. Outgoing SMTP server:, port 587, encryption method STARTTLS.This scenario should be avoided by configuring such email clients not to “download from server” (wording may vary). Bear this in mind if you have a large amount of mail in your account, as it could take a long time and also take up a lot of space.įurthermore, some email clients will default to downloading messages from Office 365, removing them from the server and keeping the only copy locally on your device.
Note: The first time you connect using POP3, a copy of every message will be retrieved. Incoming POP3 server:, port 995, encryption method TLS.IMAP server:, port 993, encryption method TLS.Your mail client must support POP and IMAP through TLS connections. Your Office 365 mailbox can only be accessed through a secure connection. We are unable to provide support in the configuration of POP an IMAP in the plethora of clients available we offer only the general guidance below.Ĭonfiguring POP3 and IMAP (incoming mail).Basic Authentication is superseded by Modern Authentication (based on OAuth 2.0) and this is not supported by many client email applications. Customers with older accounts and mailboxes using POP or IMAP should be aware that Microsoft is deprecating Basic Authentication for multiple protocols including POP and IMAP.In line with our security and support policies, POP and IMAP protocols are not available to new IT accounts and associated mailboxes (2020 onwards).