Questions tagged [office365]

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Office 365 and powershell: is there a way to get the list of devices where the user has signed in

Since we're already in 2022, I'm wondering if there's a Powershell solution for getting a list of devices where the user has installed/activated office 365.The only references I've found seem to ...
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new-compliancesearcaction delete more than 10 mails

By negligence or mistake from my colleague we need to delete all mails before a specific date. When we do a content search it comes to 5 million emails(many items per mailbox, way more than 10) Is ...
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2 answers
424 views

Why did this incoming email get through Office 365 spam filters with a DKIM fail? What policy do I need to "tune"?

We use Office 365 mail, I got this spam email this morning so I checked the header to see if there was anything I could do. Here is the header with our receipt domain removed Received: from ...
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Office 365 disregards MX record configuration after moving to Google Workspaces

We have recently moved from Office 365 to Google Workspaces. Let's say the domain name is example.com. We let Google switch MX records in the domain management of our provider but did not touch Office ...
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1 answer
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Outlook / MS Exchange from Office 365 returns 550 header syntax

A client of mine has a case that a partner company is not able to deliver e-mails to them. The case is that they receives following information returned by Mailer-Daemon: This message was created ...
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SPF records with a dynamic IP to a smtp relay with Office 365

I'm helping out a client setup an smtp relay because our software is failing at times to send email when using the smtp server of smtp.office365.com and we have found that setting up a smtp relay via ...
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setup rule for alias domain

I have microsoft office 365 for business. I have a main domain: domainA.com and an alias domain: domainB.com I have setup a shared mailbox: support@ which accepts email on both domauins. Now i want to ...
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Powershell to List Sent Items From Shared Mailbox by User

Is it possible to return a list of all items a user sent from Outlook on a given day, which includes mails they sent from a Shared Mailbox using 'Send As'? Ideally I'd like to use PowerShell. Example: ...
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Script to add email address to Anti-Spam Policy in Office 365

I'm wondering if anyone has come up with a script to add email addresses to the blocked senders list within and Anti-Spam Policy within Office 365 (Security Admin Centre). At the minute, I have to ...
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2 answers
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Exchange Online Group Calendar entries are not replicated to all members

I created a group in Exchange Online (Microsoft 365 group type) and added a few test members. The target is to have a shared calendar. "Subscribe new members" checkmark is enabled. All test ...
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Active Directory Sync: Change user's UPN

How do I reconfigure Azure AD sync, used for making single-sign-on possible for Office365 from inside the domain, so that the domain name part of a user's UPN can change when synchronized? E.g. assume ...
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Different naming policy for mailbox and Office 365 group

I know that there are naming policy settings available for Office 365 groups applied to the mailbox addresses. But is there a way to enforce a naming policy only on the group mailbox rather than ...
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1 answer
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Windows 2019 and IIS Virtual SMTP Virtual Relay (Office 365)

I have hit a wall with this setup and I cant for the life of me figure this out, despite having setup a few other Virtual SMTP servers in the past. Maybe something has changed in 2019? I will provide ...
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Create trust relationship b/w Google Managed AD and O365 Active Directory service

@ServerFault Community - I have a straight forward question. Does anyone know if it is possible to create a trust relationship between a Google Managed AD and [O365 Active Directory Service] Azure ...
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1 answer
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Whitelist mailboxes from being blocked from sending emails due to the "User restricted from sending email" alert policy in microsoft365 security?

I have a couple of mailboxes that are periodically being blocked from sending emails due to the "User restricted from sending email" alert policy within the security and compliance center in ...
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1 answer
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Overwriting existing users in MS 365

I inherited the management of a MS365 (former Office 365) and local Active Directory system. The old server was toast and I created a whole new Active Directory domain on new hardware. On the new AD ...
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Deleted emails automatically re-appear in original folders of an Office365 email account

I have an O365 email with problem that I cannot delete email in any folder like Inbox, Sent Item, Deleted, etc... After I delete one or more emails, those deleted emails automatically re-appear at the ...
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1 answer
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onmicrosoft.com FQDN for Microsoft Learn Sandbox 365 tenant

With Office 365 tenant restrictions in place, access to the Microsoft Learn Sandbox's Office 365 tenant (used by courses such as https://docs.microsoft.com/en-gb/learn/modules/azure-architecture-...
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3 answers
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Outlook Desktop search contacts To/Cc/Ccn fields during typing

Our company migrate from KerioConnect to Office 365 to better manage the emails. Lots of people in the company have the same problem, can't search for contacts when creating a new email and typing in ...
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1 vote
1 answer
337 views

Postfix rejects emails relayed from O365

I have to do a migration of Office 365 from Postfix with Sogo. My goal is to configure small hybrid of Office 365 with Postfix, a bit the same way you do with Exchange On-premises. Currently, postfix ...
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Send As not Working sending from Outlook Client

Hey i set up a DL in office 365 and added members. I can send emails on behalf of the distribution group and it sends from office 365 but when i go to my outlook client i get an error that i cannot ...
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1 vote
0 answers
297 views

Using Office 365 with Linux mail clients

Our company is moving to Office 365. We would like to provide access to Office 365 from Linux workstations (Ubuntu 18) so that employees can keep their mails/drafts offline use a better GUI than the ...
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1 answer
283 views

How do I automatically in-place archive items in users' Deleted Items folders?

We have an In-Place Archive set up on our Office 365 setup. We would like for our default policy to be to automatically IPA any item, including (and especially) in the Deleted Items folder, after 1 ...
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MS Exchange: How to enable SMTP to use OAUTH2.0 but with basic AUTH disabled

(I have asked this question also on stackoverflow but I now think that this might be a more useful community to ask hence I am also posting here.) I am trying to know whether it is possible to enable ...
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1 vote
1 answer
617 views

Office365 Guest Access to Shared Mailbox

Is it possible for a guest account that exists on 365 to have access to a shared mailbox? Can this be done using B2B collaboration? I have am unable to find an exact answer from the Microsoft docs on ...
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-2 votes
1 answer
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Force MFA when not hitting conditional access policy

We are using 365 and setting up multifactor authentication. My thoughts are that users using hybrid Azure AD joined devices already have an additional form of authentication which is the device. And ...
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Office365 Alert Policy for emails with matching header

Is it possible to configure an alert policy in Office365 that would trigger if an email was received that contained a specific header and value pair? I cannot find anything that indicates this is ...
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1 answer
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exchange hybrid, management server do I still need HCW/Agent?

we currently migrated all our mailboxes into the cloud and want to keep one single exchange server (a pretty clean one) after our migration. do we still need the HCW Hybrid Agent or can we remove it ...
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1 answer
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How to restrict access to 365 from office apps only?

I'm trying to restrict access to office365 (exchange specifically) from Microsoft office apps only? I don't want to allow certain users to use native email clients because I want to use application ...
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2 answers
585 views

Delivering smtp mail from postfix to exchange and online exchange problam

I have a very strange problem with one server01 its smtp notifications mail. My scenario: server01 sends mails over postfix to local on-prem exchange server. That mail is correct with to: address, ...
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1 answer
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Sending emails with SMTP Relay on Office 365 via Azure VM

I am trying to resolve the issues around Azure and sending emails via Office 365 SMTP Relay (Connector), but the help online doesn't resolve the problem. I have a PowerShell System setup on Azure ...
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1 answer
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DKIM and multiple Email protection Gateways

Just wondering if anyone has ever setup DKIM with multiple email protection gateways We are running with 365 and a couple of email protection gateways in front Do you need to add the public key to ...
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1 vote
1 answer
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AAD Hybrid - moving user from different forest while migrating Office 365 mailbox

This is a very specific scenario, hope someone can shed some light. Assuming we have AAD company.com synched with AD users from contoso.local (contoso.com) and with AD users from business.local (...
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1 answer
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OneDrive for business data retention post license deactivation

OneDrive for business data retention post license deactivation My client doesn't want his users to use OneDrive for business. They want to use Sharepoint on-premise. Unfortunately few of the users ...
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1 answer
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Can't login with email after joining Windows 10 device to Azure Active Directory

I'm trying to join my company's Windows 10 devices to our Azure Active Directory. I go through the setup wizard detailed here and I don't run into any issues until I attempt to log in to Windows with ...
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1 vote
1 answer
884 views

sharing calendar information exchange online

We have several tenants setup in office 365 from various acquisitions. We wanted users to be able to see each others' calendars across tenants. We followed the docs on inter-tenant collaboration and ...
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3 votes
2 answers
903 views

Migrate hybrid Office 365 to new tenant

We currently have a hybrid on-prem/Office 365 environment. Our Exchange is on-prem. Users are synced to an Office 365 tenant using Azure AD Connect so they can use Teams/Sharepoint etc. We want to ...
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2 answers
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On-Premise Active Directory to Microsoft 365 Azure AD

We are trying to synchronise our on-premises AD with Azure Active Directory for Microsoft 365. I just want to confirm: If users on-premises have the same username as their Microsoft 365 username, ...
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1 answer
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Migrating to Cloud SaaS while keeping user data On-Premise AD

We are in the planning/brainstorming phase of considering migrating to Cloud. We came to an initial conclusion that we don't want a full-cloud solution. We think "initially" it's in our best ...
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1 answer
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Journal Office 365 Doesn't Work

my office have Office 365, for audit reason i need to setup one email account to get all inbound and outbound from all users@xxx.com. i'm already setup in Admin Exchange Center Compliance management ...
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How to change O365 Tenant Display Name or Organization Name using Powershell

I've been finding Powershell commands to change Office 365 Tenant Display name or Organization Name but unable to find any. The reason why I need it through Powershell is because I have 500 advisors ...
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0 votes
1 answer
364 views

Microsoft Office 365: Room resources from external domain

Two Orgs: A and B, both on Office 365 Email. Org A has list of physical meeting rooms available on-demand for booking and use by whitelisted email@domains Org B has users who want to: Search and find ...
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1 answer
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How do I setup O365 to allow IMAP? (App Passwords no found)

I have an office365 account and cannot link my email to my email client. I have MFA activated and the only client that allows me to link the mail is the same Outlook 2019 for PC or Mac. Can I link you ...
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1 answer
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How can I fetch the junk folder from office365 into another imap server?

Office365 put the received mail in the INBOX folder, but also it puts many good emails in the junk folder. How can I fetch the emails from the junk folder into a local imap account, putting them in ...
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2 answers
271 views

Office 365 email with shared domain

I am migrating all my company mailoboxes, that actually are located on an internal IMAP server, to a Office 365 tenant. Since the migrating process whould take a quite long time, I need to share the ...
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0 answers
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Securing a new office 365 deployment

I'd like to know if somebody here might be able to point me in the right direction. Rolling out a new O365 deployment and we would like to secure it. What I mean is that unless the user is logged ...
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1 answer
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“a specified logon session does not exist. it may already have been terminated” after i joined the device to azure active directory

"a specified logon session does not exist. it may already have been terminated" after i joined the device to azure active directory -i can't access our shared folder in our server after i joined the ...
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-1 votes
1 answer
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Office 365 migration PST

I can't migrate from Outlook to Office 365. In fact , I can't get into the cloud. My version of 365 is E1 It tells me that I am not authorized to identify myself on Azure while it is my admin account....
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1 answer
1k views

On-premises users aren't getting email messages from Office 365 users

The DNS name of the Exchange 2013 server is servername.abc.local I setup a Hybrid Environment with the Public domain xyz.nl The UPN suffix of the abc.local domain is xyz.nl and I updated al users. The ...
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Connecting from Azure Automation to Office 365 PowerShell Endpoint fails half way through script

I have a script running under an Azure Automation account. The script connects to the Office 365 endpoint (https://outlook.office365.com/powershell-liveid/), and uses Set-Contact to update some ...
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