Questions tagged [exchangeonline]
Exchange Online is the hosted version of Microsoft's messaging platform (e.g. Exchange Server).
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Exchange Transport Rule to block combination of recipients?
Is it possible to create an ETR that blocks certain combinations of recipients? Imagine I have two customers in different domains with similar email addresses. I want to prevent sending to recipient ...
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M365/OME - Encrypt emails not using TLS 1.2
I don't want to require the use of TLS 1.2 in Exchange online/O365 as it might result in some important business email not being sent/received.
So has anyone found a way to actually encrypt all in/out ...
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Assign specific Exchange Role to App-only authentication with Exchange Online Powershell
I need to use the following cmdlets from ExchangeOnline Powershell module with an unattended connection.
Get-QuarantineMessage
Preview-QuarantineMessage
Release-QuarantineMessage
Export-...
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No longer able to forward emails from exchange online
I have a couple of developers helping me out with a project so I've given them access to my teams so we can collaborate. I am in Office 365 and exchange online.
Last summer I set up forwarding on ...
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Investigate O365 mail redirection
Emails got redirected to another mailbox.
need to investigate how it was done, who did it, when it started
I have looked up in O365 Exchange online, but not able to see any options/reports for this
...
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Using same credentials for Connect-MgGraph and Connect-ExchangeOnline
I'm working on a (powershell) script which creates a Service Principal using MS Graph and then wants to grant that principal permissions in MS Exchange. Both the Graph and Exchange are in the same ...
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How can I set an Office365 mail archive policy for all mailboxes where mails are older than 5 years and size larger than 50GB
How can I set an O365 mail archive policy for all mailboxes where mails are older than 5 years and size larger than 50GB
I have looked up Office365 admin portal, however can't see any options to ...
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How to add a confirmed O365 domain as an Exchange Online accepted domain?
A little background on our AAD/O35 tenancy:
We have domainA as our primary domain. This is used for SSO, our primary email addresses, etc etc.
We acquired another business.
One of their domains (...
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Exchange 365 rule to block messages that contain any javascript
How can I add a rule that blocks any message with any explicit (script tag) or implicit javascript code (e.g. onclick="....")?
I know Exchange online has a rule to block any executable ...
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hide Archive in Outlook
Is is possible to hide the Online Archive in Outlook? We have archive enabled because we have in-place hold enabled, but we don't want users to use the archive features, and we don't want the Online ...
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Exchange Online "Standard protection" preset vs Exchange Online Protection?
I noticed my 'tenant' had this Standard Protection preset off. Apparently this is supposed to be the 'baseline protection profile".
However, everywhere I am reading that EOP is enabled by default ...
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Design a compliance content search in O365 to ONLY return a specific person and a specific domain
I am attempting to do a content search through Exchange on O365 to return mail between user@domain.com and anyone at outsidedomain.com
I thought that this should work in the KQL:
(ParticipantDomains:...
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Exchange Online & Exchange Online Archiving
I thought Exchange Online Archiving was like a separate mailbox (maybe like a shared mailbox) and that I had to choose by myself the emails/items one by one, which I wanted to be saved there instead ...
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Exchange Online and on-prem AD
A few years ago, we moved all of our on-prem Exchange 2010 users to Exchange Online using a full hybrid migration. When have no on-prem Exchange servers anymore.
Many of the changes we make to ...
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Where do I look for issues with a local AD user not being able to activate O365 on any machine
Here is our really weird situation. AD on prem, using Exchange Online w/ 365. We have an unmanaged auto machine that stopped authenticating from the domain joined machine to office 365. Won't ...
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How to grant access to the Microsoft 365 Admin Center to limited Exchange Online administrators?
Related to this: Exchange Online RBAC - How to limit the read scope of a management role?.
We need to allow some administrators to manage only a subset of all mailboxes in Exchange Online; we achieved ...
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Exchange Online RBAC - How to limit the read scope of a management role?
Environment: Exchange Online (Microsoft 365).
We need to allow some administrators to manage only a subset of all mailboxes.
The mailboxes can be selected using a recipient filter, so this can be ...
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Office 365 delay internal email outside of working hours
My employer is looking to reduce email outside of workings hours from internal employees to help reduce workload and stress. I have advised this is a technical disaster and sledgehammer for a wallnut, ...
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Forwarding Meetings to Room Resources from External Sources
Is there a way to allow a Room Resource in Exchange Online to be booked for an external meeting by forwarding the meeting request?
I found an article that suggested setting the DeleteComments property ...
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Microsoft 365/Exchange Online - Outlook rule "Have server reply using message..." not working when recipient is on exchange online
I have a user that wants an automatic reply being sent back only to certain people (outside the org) with his outlook client.
I have managed to configure the outlook rule "have server reply using ...
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Error sending email with Office 365
My company has Office 365.
We use account for send email (SMTP/SSL)
https://www.gmass.co/blog/office365-smtp/#office
We get error similar like this, but using Exchange Online
https://docs.microsoft....
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How is ExchangeOnlineManagement PowerShell module related to ExchangePowerShell module?
Please let me understand how ExchangeOnlineManagement and ExchangePowerShell modules are related each other.
For example Microsoft Docs describe cmdlet Connect-ExchangeOnline as it comes from ...
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How to send an email with openssl and Microsoft Exchange Online?
With Microsoft disabling basic auth in Exchange Online, I set out to add support Modern Authentication in our application. Our app sends basic email alerts. Currently we use SMTP basic auth or open ...
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Create a Mail-enabled security groups with Azure AD role assignment?
I would like to create a Security Group within my firm's 365 Tenant with a group email address and role assignment of "Billing administrator" - i.e. Can perform common billing related tasks ...
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Exchange Online: move some messages back from online archive
Due to a mistake on a retention policy, too many (too recent) messages of user mailboxes were moved to online archive. I know that MS offers no wayback for online archive. I investigated some options:
...
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Can Microsoft resolve an IPv6 for Exchange Online?
Is there a way to resolve an IPv6 address for Exchange Online like : mydomain.mail.protection.outlook.com?
I only got an IPv4 address for the mailserver at mydomain.mail.protection.outlook.com
Thanks ...
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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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Powershell to exclude Group Members from Dynamic Distribution List O365
I am creating an All Dynamic Distribution Group in Office 365 exchange online. I am doing this with Powershell. We will call this group AllTestGroup. Here is some information about the setup.
...
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Unable to create Import Jobs in Information governance of Microsoft 365 compliance in Exchange Online
We r using Microsoft 365. I am trying to create Import Jobs in Information governance of Microsoft 365 compliance in Exchange Online. I am getting the message "To create import jobs, you must be ...
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Getting statistics from Exchange Online about inbound mails from external domains
I've been asked to see if we can get an idea of how many external mails we receive, and what external domains are the most "active".
Basically what's wanted is a report detailing how many ...
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How to solve issues with Exchange's Autodiscover (xml) and any peculiar clients like Windows Communication Apps [HxTsr.exe] with complex DNS config?
For the search engine, context elements:
Exchange Online
Office 365 / Microsoft 365 --> Particular Outlook --> outlook.office.com
Windows' Mail & Calendar App [HxTsr.exe, "microsoft....
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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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Exchange Full Hybrid - Email to distribution list gives '550 5.5.3 too many recipients' error (cloud to on-premise)
We are in the process of migrating from Exchange 2016 CU19 to Exchange Online. We are running a full hybrid configuration with two on-premise servers in a DAG. So far we have only migrated a small ...
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In an Exch 2016/EXO hybrid deployment, should a telnet message test on prem be considered internal
I have inherited a hybrid deployment between Exchange 2016 on prem and Exchange online. One of the first things I had to do was turn of centralized message transport, as it was adding two unnecessary ...
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Enabling Journaling in Exchange Online
I'm trying to migrate a small company from an ancient, on-premise Linux mail server over to Exchange Online. One of their core requirements is that they need copies of all inbound and outbound e-mail ...
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M365 Exchange Connector Blocklisting
I am writing an Exchange Connector that will send messages from M365 to my app server, which will then relay modified messages back to M365.
I understand that without Enhanced Filtering for ...
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Exchange online outbound execution order
I am writing an outbound connector for exchange online but want to understand the order of execution better.
This is how I think things would happen but confirmation would be appreciated:
Sender ...
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Having Trouble with Exchange Archive Errors - 365 Hybrid
I work in a hybrid 365 environment. Someone made some changes to the archives for users' mailboxes and now I'm getting errors in 365 admin center when I look at an active user:image of error box
I was ...
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Cannot find Network Message ID in Message Trace
I'm viewing a message trace from https://admin.exchange.microsoft.com/#/messagetrace
If I expand "More Information" on the selected email, I see "Message id". When I go to https:/...
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Hybrid Exchange - 3 step deprovisioning necessary when using archive
The Microsoft documentation for the Disable-RemoteMailbox powershell cmdlet states:
Note: If you are deprovisioning a cloud mailbox and its associated
online archive, you must first disable the ...
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How can I transfer a cloud mailbox from user A to user B
We use Exchange Online (O365) in our organization.
There is a quite huge mailbox (thee digit GB) in our tenant which belogs to an AD object we shall call user A. For reasons which are hard to explain ...
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Synchronize Exchange Online / Outlook data to OnPremise Network
I have Exchange Online and the newest Version of Outlook in my company.
For years now we have the following Problem:
We have a lot of Users that have multiple mailboxes, shared and personal ones, set ...
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Legitimate emails FilteredAsSpam
Freshdesk is sending emails directly (authenticated via SPF) to Office 365 mailboxes but they are consistently being delivered to the junk folder for all recipients.
The following are the ...
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In Exchange Online Protection, one contact became a mailbox. How did this happen?
Today I noticed that I had not received any external mail. I tried mailing myself, but it did not get through to our on-premises mail server. I checked EOP, and there I was in the mail box list. I had ...
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Can I disable spam filtering for one user in Exchange Online Protecttion?
We are using Exchange Online Protection in front of our on-premises mailserver. Is it possible to disable the spam filtering for one user only?
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How long will items be kept in an In-Place Archive with Microsoft's Default MDM Policy?
I did a lot of research to find an answer to this question, but without luck so far.
The situation is as follows:
Exchange Online with EO Plan 1, E3, and E5 licenses
No modifications were done to ...
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Missing Attendance Buttons in Office365 Resource Calendar
There are several cases where when I connect with my admin account to browse the Office 365 Resource Calendar, the attendance buttons are missing from time to time, and I have no clue why. These ...
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How are these spammers getting through?
So we've been a bit of an indirect target of spammers recently... my company has gotten a lot of complaints from customers that they are getting a lot of spam from our sales people. Normally (...
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Change the Exchange Online display name without changing the user display name in MS365
A client who uses Exchange Online asked me today to change the name his recipients see when he sends an email. Instead of just displaying the first and last name, the company name should also become ...
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Sending out of office notification to reply-to
Customers can contact our employees via a contact form on the profile page of each employee. When the form is submitted, the employee receives a notification e-mail. The sender of this e-mail (From) ...
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