Questions tagged [exchangeonline]

Exchange Online is the hosted version of Microsoft's messaging platform (e.g. Exchange Server).

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Office 365 delay internal email outside of working hours

We are looking to reduce email outside of workings hours from internal employees to help reduce workload and stress. We would like to either stop it from sending entirely sender side (i.e. an email ...
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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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Import PST - imoprted items gets to separate folder tree

I have Exchange Hybrid environment. And i have to users with mailboxes in my MS365 tenant:user_dst@MyNewMailDomain.com and user_src@MyOldMailDomain.com (we have two mail domains). Now, I need copy all ...
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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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Spam filtering based on average ascii score

I'm trying to come up with a new spam filter based on what has been coming through our filter lately. A lot of the messages have subject lines like: "Re: ᴢᴀɴᴛᴀᴄ 【ʜᴀs】 ʙᴇᴇɴ ʟɪɴᴋᴇᴅ 【ᴛo】 ᴄᴀɴᴄᴇʀ&...
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Is it possible to display CustomAttributes in Exchange Online

We have migrated from Exchange 2016 to Exchange Online. In the mailbox view in EAC for both 2016 and Online you can Add/remove columns to customize your view. However it seems to be limited in ...
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Exchange Online: ancient auto-reply message hidden somewhere and gets sent alongside current one when auto-reply is enabled

Title says most of it. Have used Get-MailboxAutoReplyConfiguration in Exchange Online PowerShell and it only shows the current auto-reply message. But when auto-reply is enabled, one from a few years ...
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How to completely re-create user mailbox in exchange online?

I am facing a problem when a migration process from GSuite led to an unconsistent user's mailbox - migration process stopped several times and finally hit mailbox size limit (100Gb) which is much more ...
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Apply Disclaimer/Warning for Messages sent to Old Domain

We're on Office 365/Exchange Online. We just completed a domain move from domain-old.edu to domain-new.edu. The .EDU TLD exclusive registrar (EDUCAUSE) is pretty strict about how long you can have two ...
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Can't receive email from certain office 365 organizations - untrusted root

I have a 2013 exchange server on premises. Two different domains domain1.com domain2.org. They are both validated and whether you send to domain1 or 2 , email gets delivered. Barracuda is in front of ...
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Exchange Online - List-Unsubscribe

I am trying to achieve having List-Unsubscribe header functionality for our marketing emails that are being sent using Distribution list. 3rd party mailing is a no-go. I have opened a case with M365 ...
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Is there a way to use impersonation on a specific folder (e.g., calendar) instead of the whole user mailbox?

Is there a way to use Impersonation on a specific folder (e.g., calendar) instead of the whole user mailbox ? I know we can create and narrow down a ManagementScope such as: New-ManagementScope -...
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Exchange OnLine / Office 365 / OWA - Cannot see PDF previews and cannot download attachments

This is a problem from a customer. When he opens an email with a PDF attachment in OWA, the mail opens with no problems, but clicking on the attachment will show an error or a white box. Clicking the ...
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Unable to forward messages from outlook to gmail

https://docs.microsoft.com/en-us/exchange/recipients/user-mailboxes/email-forwarding?view=exchserver-2019 I referred the above tutorial to setup email forwarding in exchange. It was working fine when ...
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Connecting to BOTH Compliance and Exchange online in Powershell using Modern Auth

In the world of basic authentication, I used to connect to MSOL, Compliance and Exchange in a series that went like this: function ConnectToCloud() { $CloudCredentials = ...
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Exchange Online Powershell Set-HostedContentFilterPolicy - A positional parameter cannot be found that accepts argument 'â€BlockedSenders

I have a custom powershell script that connects to Exchange Online and tries to add spam email addresses & domains to the custom Content Filter Policy. The script is: # Blocks Spammers - Email ...
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Adding cloud/external email to allowed senders for AD synced distribution list

We have our AD synced to Office 365 and I want to control who can send to a particular synced distribution group (usually done through Exchange Admin Centre, Delivery Management) which I believe is ...
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How to restore mail flow after Office 365 mailbox user was automatically restricted?

Recently had an Office 365 account compromised from a phishing website, which then sent out a mass-mail. Their email otherwise continued to function. Seeing the spam mail, I blocked the phishing site ...
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2 votes
2 answers
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Connecting to exchange online with Powershell (Winrm)

After playing with the Microsoft Azure MDM Baselines I got blocked from using the Powershell for Exchange Online module . I have removed myself one time, and after some reboots and some quick config ...
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Is Connect-ExchangeOnline cmdlet uses basic auth?

Am trying to connect Exchange Online using Connect-ExchangeOnline. But, it seems require basic authentication. Is it possible to use this cmdlet without basic auth?
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