Questions tagged [exchange]
Questions about any version of Microsoft Exchange Server or Exchange Online, Microsoft's email and unified communications server product. Because of tight integration with other systems, related questions may overlap with Active Directory, Office 365, and Skype for Business (aka Lync Server or Office Communications Server). Questions about Microsoft Outlook may be a gray area, with Super User as an alternative site to ask on.
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questions with no upvoted or accepted answers
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Fix broken Message-ID field in Exim ACL
Strange enough, some of my mail domain external sender used to send us messages where Message-ID field set to $Null like this:
...
Date: Tue, 1 Dec 2020 07:16:22 +0000
Message-ID: $Null
...
- 834
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2
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1k
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Exchange Linked Mailbox requires Admin user from the other Active Directory Domain
I need some help with exchange linked mailboxes with active directory trusts.
I have an AD-trust between two domains (Type External, bidirectional, non-transitive, selective authentication). Domain A ...
- 49
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63
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When enabling organizational sharing in Exchange for free/busy, events are no longer accepted tentatively
We have organization A, and organization B, both using Exchange Online.
We wish to allow sharing of busy/free between the orgs.
To test this, I set org B's domain as an enabled shared domain, within ...
- 228
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702
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Outlook / Exchange "Cannot start Microsoft Outlook. Cannot open the Outlook window. The set of folders cannot be opened. The operation failed."
At a customers site there is an old Network with Exchange 2016 and a new Network with a fresh Exchange 2016 installation. There was a planned move last weekend. Using the old network outlook most of ...
- 51
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186
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How to enable file auditing for exchange server V15 folder
So I want to enable auditing on this specific folder V15 located under program files>Microsoft>Exchange server
But on the auditing tab I get a Message "you must be an administrator or have ...
- 37
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200
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Outlook 365 in Online mode with Exchange 365 breaks PR_INTERNET_MESSAGE_ID
We encounter very strange behavior with the Exchange 365/Outlook 365 combination.
When sending e-mails between 2 Exchange users on the same server, internet message id (we checking ...
- 101
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117
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How to stop email spoofing within org?
I recently realized that the script I am using to send me emails from task scheduler can be misused like I could use the script to send an email from anyone on my Exchange to any other person.
A) How ...
- 37
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242
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Search results not complete for Users migrated from Exchange 2010 to 2016
User was migrated from Exchange 2010 to Exchange 2016. When the user searches for mail in Outlook or OWA, only results for mail that was sent/received after the migration date is returned. All of the ...
- 111
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2k
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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 ...
- 973
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Exchange 2010 won't allow IMAP connections over PlainText authentication
I have IMAP enabled for the server, the IMAP4 service running, and IMAP enabled for the account. This is Exchange 2010 server. Emails work fine, but when I try to login over IMAP I get the following ...
- 35
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2
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How does O365 Mail Flow work for Transport Rules with Multiple Outbound Connectors?
We are implementing a service that will encrypt email for our O365 mail tenant.
RULE 1: If a specific pattern is found in the email SUBJECT, mail is sent to our mail encryption server and encrypted. ...
- 378
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1k
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Delaying delivery of emails out of business hours for Exchange
I am having an interesting problem to solve. We want to be able to delay the delivery of certain business emails sent from some managers to their staff after business hours to the next working day. ...
- 101
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Might "Require TLS Encryption" in Exchange mail-flow rules cause compatibility issues for e-mail?
Picture of how I'm forcing TLS.
This is essentially forced TLS.
Should "Require TLS Encryption" be required for microsoft exchange mailflow rules?
I'm worried about compatibility issues, e-...
- 103
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367
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Can I send a mail through Exchange Online with a different reply name and reply address than what I am authenticating with?
Just switched to Exchange Online, and ran into an issue. We have an application that lets an employee email a customer. With our previous mail provider, we would authenticate to the SMTP server using ...
- 387
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2
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1k
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Exchange server redirect email to another smtp
Does anyone know if it's possible to redirect email received to Exchange server 2016 to external SMTP MTA?
For example everything received from domain.com to be redirected to encryption gateway. So ...
- 1
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131
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forwarding eMails from exchange misses sender address
when forwarding eMails from Exchange to Icewarp, there is nop sender address displayed in icewarp.
Even in the code of the eMail there is a from-address, there is no from address shown in smtp log.
...
- 181
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3
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Forwarding eMails from Exchange to Icewarp bounces back, but not via distribution list
we are testing heavily Icvewarp as replacement for our outdated Exchange.
Unfortunatly there is nearly no docu around in the internet, which makes it not easy :-(
We have now set up the Icewarp ...
- 181
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417
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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 [email protected].
i'm already setup in Admin Exchange Center
Compliance management
...
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1
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99
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Strange behavior: Exchange 2010, delegation, OWA, duplicate sent items
Please help me understand this strange (to me) behavior
Goal
Allow delegated users to send-on-behalf-of other mailbox using OWA and iOS/Android apps.
Sent items should appear only once in the ...
- 392
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723
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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 ...
- 101
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1
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774
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Exchange Online sending mail on behalf of another domain
I want to use Exchange Online to mail on behalf of another domain. So....
An email from [email protected] is sent to [email protected]
The mailbox for [email protected] forwards the mail ...
- 547
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1
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3k
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"Private" emails invisible to users of a shared exchange mailbox
Our organization sets up "shared" mailboxes by just creating a regular mailbox and then giving people Full Access in the ecp/exchange admin. It then automaps to their Outlook client. But we ...
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200
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Can I mark an email message with no-reply tag
My bos insists that I configure our mail so that when a message is received sender will get a auto-reply message confirming that his message was indeed received by our company.
So is it possible to ...
- 101
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883
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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 ...
- 113
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983
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Export & Import Distribution Lists O365
I've an Hybrid setup with Exchange On-Premise and O365.
What i want to do is export Exchange On-Premise distribution list with members (what i already done it) with the following code (Found in ...
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237
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exchange online transport rule for only one recipient?
Is there a way to write an exchange online transport rule (using GUI) to fire ONLY when there is only one recipient? I tried multiple variations of Header Matches looking for a comma as a separator ...
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2
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45
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Exchange2013 only works with Phones, Webmail, and Windows 10 Mail Client, Everything BUT MS OUTLOOK
So we recently upgraded our on premises server exchange 2013 to the latest roll-up, I also think its important to note that, we use office 365 for various things (but not email obviously)
Mobile ...
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0
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1
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37
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Exchange/ePrism quarantine settings
I'm temporarily overseeing the company's infrastructure while we find a replacement for someone who recently left. We have on-premise exchange with ePrism (EdgeWave). Most of our users find our email ...
- 329
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562
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Exchange 2016 on server 2012r2 port 25 closed
Port 25 won't open anymore since a few days. I don't know what exactly preceded it, maybe server crash or update. /owa and /ecp work and I can also connect with Outlook, but I can't get any mails. I ...
- 101
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79
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How can I test the security of my server? I think I am under DoS
I got a server with Windows OS. The server is running many VMs using HYPER-V. The VMs are exposed to the internet. There is a single VM that is running NAT using windows RRAS, ehich is connected to ...
- 101
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1
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Powershell Exchange Add-MailboxPermission
The command Add-MailboxPermission is not working. It is giving me the error:
Cannot find information about the local server server.domain.com in Active Directory. This may be related to a change in ...
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1
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1k
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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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46
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Strange Errors in Security and Compliance
I'm getting an odd error in many of my security and compliance pages, error is as follows or a varient of the same:
The requested search root 'APCPR06A002.prod.outlook.com/ConfigurationUnits/...
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562
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Office 365 global address list show entries by user/group
I have active directory groups synced with my office 365 global address lists. I am trying to limit visibility of certain distribution groups to only be seen by certain users or groups.
Is there a ...
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2
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348
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Outlook finding mysterious autodiscover target
I was about to roll out our new Exchange 2019 setup...everything seemed good. After installing our new certificate, I was confirming all was well, and autodiscover is showing odd behavior when run ...
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586
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Unable to send outbound emails both internal and external on new installation of Exchange 2016
I have installed a WINDOWS 2016 server and Exchange 2016 without EdgeTransport. This is only windows server in our environment so I created a new forest and new local domain.I have gone through ...
- 146
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1
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2k
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MS Exchange Transport Rules - set transport rule using specific text patterns
I'm adding a transport rule that filters for incoming messages whose specific sender address contains a specific subject string. This is 2013 on-prem.
So I mean , This rule only will to work when "...
- 327
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2
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580
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Exchange 2010 SP3 Apply KB4536989 Error Ended Prematurely
I am not sure if this is the right place to ask this question.
I was trying to apply the latest KB4536989 patch to my Exchange 2010 SP3 server which has hub transport, mail server and edge transport ...
- 147
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1
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815
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Exchange 2016 connectors fail
Do you know how I can resolve The problem below?
This scenario was normally working few months...
Exchange 2016
SMTP client is trying to send email by port 25 using TLS and Basic auth. Recive ...
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1
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318
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Exchange Server 2010 calendar items reappear after deleting
I have an issue with Exchange 2010 that I have never seen before. Two days ago, a user reported that a bunch of calendar items kept popping up on their screen as reminders in Outlook. I assumed a ...
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1
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8k
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Disable OWA on Ex2016 but leave EAS
For security reasons our company has decided to disable OWA (at least to the outside world), but would like to keep EAS (Activesync) available for syncing mobile devices.
Is this possible? Both use ...
- 1,852
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194
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SMTP Delivery Failure Headers
hoping someone could help me out. I'm sending out SMTP email with a custom header, e.g x-commId and for a successful email, this header is shown in the received message header (Which is not when I ...
- 11
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579
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What determines the entries in the Outlook address book?
Are there published standards for who appears in the Outlook global address book in a hybrid Office 365/Exchange environment? Like disabled users, users with only a phone number, contacts in a non-...
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231
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In a linked mailbox scenario, is the master account allowed to have the corresponding email address as proxy address?
I read the documentation on how to create linked mailboxes from microsoft, but this is something that isn't answered there or I just don't find it:
It's clear that the mailbox account has to be ...
- 101
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1
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1k
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Exchange Hybrid message size restriction
I'm migrating mailbox to Office 365 and got stuck with Large Items Exception.
I read about default message size restrictions. And set 100MB limit in Exchange Online.
Then migration failed again. I ...
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1
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1k
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Receive connector for internal clients / 5.7.1 No permission to send as this sender
I am trying to setup a receive connector as described in https://www.codetwo.com/admins-blog/how-to-prevent-internal-email-spoofing-in-exchange/
This receive connector listens to IP Ranges from the ...
- 298
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122
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Automation to copy individual email chains between mailboxes
My goal from a high level:
I would like automatically copy all emails in a conversation from the various mailboxes where they reside to a single mailbox to act as an archive. This would basically ...
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1
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686
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How to send mails for specific domains at different smarthost on Edge server
I have Exchange2019 (MBX) and Exchange2019 (EdgeTransport). EdgeSubscription is in place and send connector which was automatically created during subscription "EdgeSync-OrgName to Internet" is ...
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29
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Rename Exchange email and create new one for Domain User
I am looking to rename an email thats linked with an existing domain account then create a new email with the same as the original and then link it to the domain account.
The situation is this. We ...
- 113
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2
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1k
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Exchange 2016, multiple domains, correct DKIM setup?
Our Exchange 2016 server and set up is a bit of a mess, but the short of it is that we have numerous domains configured in it, including multiple separate business divisions that probably should have ...
