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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Error sending and receiving emails in Exchange 2010 and 2016 coexistence
These are the versions of the exchange servers:
Exchange 2016 CU23 - 15.1 Build (2507.6)
Exchange 2010 SP3 - 14.3.0513 Build(123.4)
The problem is sending and receiving emails in Exchange 2016.
...
- 35
0
votes
1
answer
75
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Exchange admin center - message trace - delivered, delivered then failed
I was investigating something else when I've noticed this behavior: for a non-existing mailbox, Office365 "message trace" shows "delivered" two times then "failed" status....
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24
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Using a Let's Encrypt certificate on a HA Exchange DAG setup
I want to set up Let's Encrypt certificates on an on-prem Exchange setup. We have 2 Exchange servers, to my understanding these are configured as a DAG. At the moment, these have a single self-signed ...
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Why is certificate request invalid from Exchange 2019?
I am creating a cert request in powershell on an exchange 2019 server as follows:
$binrequest = New-ExchangeCertificate -Server "exchange" -BinaryEncoded -GenerateRequest -FriendlyName "...
- 1,841
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180
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Autodiscover error 600 from Exchange 2019
I am having trouble with my exchange 2019 server. I've narrowed it down to an autodiscover problem. First of all the (outlook 2013) client complains about an invalid cert on the exchange server, but ...
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65
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How to migrate a mailbox to exchange online from on premises without removing private internal domain addresses
I have two tenants (among others) that use a special private DNS to send email over non-internet routes. Every mailbox has an address on that domain assigned to it. so if we say company.com is the ...
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2
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83
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Exchange 2019 On-Prem Receive Connector Issue
I'm in the middle of migration right now from Exchange 2016 to Exchange 2019 on-prem. Everything works except for Receive connectors. Whenever I send an email to local exchange users from outside (i.e....
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166
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Outlook client fails to re-open with Exchange 2016 on prem
History
We are migrating Exchange 2010 to 2019. We are at the middle point with Exchange 2016 and 2010 is still running.
Environment
Server Environment
Active Directory Domain Level: 2012R2
Domain ...
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83
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Enabling and Setting an Exchange Remote Mailbox using EWS or Graph via API call
I work for a higher Ed organisation and currently we onboard new students to Active Directory and Hybrid Exchange with Powershell scripts.
I am bascially seeking to automate and move the process to a ...
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1
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32
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Exchange - OnPremises - Send-on-behalf for public folders behave as Send-As
We have a weird problem that has started occuring.
Mail-enabled public folders configured as Send-on-behalf-of has started behaving as if they are configured with Send-AS for users.
We have certain ...
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1
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145
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Exchange online and zimbra on premise mail server sharing same domain
Am planning to Migrate my Zimbra mail server to Exchange Online but in the meantime, I need to configure some users (30 users) on Exchange Online and the rest on the Zimbra mail server version 8.8.15 (...
patrick stephen
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3
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151
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Purview Message Encryption: Require OTP codes for all recipients, and bypass MS365 tenant logins for all outgoing emails
Related: MS365: Sending encrypted to remote tenants occasionally fails with "user not in tenant"
As in the previous message, we are sending outgoing encrypted messages via MS365 and some ...
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49
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can't get email from exchange to postfix
I configured a postfix mail server to receive emails.
I enable TLS as per security requirements as well as port 25 is banned by the provider.
I enabled both 465 and 587 with the following on master.cf
...
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0
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30
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Block exchange from sending mails to internal organization
there is a very specific challenge I'd like solve and so far nothing worked.
Situation:
We have a rather large exchange environment with multiple domains (@domain-a.com, @@domain-b.com, @domain-c.com)....
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162
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How to delete orphaned mailboxes
I have no clue how this could happen:
Get-MailboxStatistics -Server returns 2 exactly equal entries Office [Foo Software] [It shows the used format]. One mailbox has 411 ItemCount, the other has 7.
In ...
- 336
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1
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209
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Exchange On-Prem Retention Tag/Policy to Delete Online Archive Emails
We are running Exchange 2019 completely on-prem. Our default retention policy archives emails after two years to the user's Online Archive (it also cleans out some folders like deleted items, drafts, ...
- 444
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2
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316
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Export to file Get-ACL for AD Computer Object then import later using Set-ACL
I could use some help. My Active Directory is 20 year old, its about to start buying legal alcohol and god knows where it's going from there...
All joking aside, Exchange has ravaged my AD DACLs. To ...
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3
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253
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autodiscover URL working/not working
I have this issue:
In order to upgrade MS Office from 2013 to 2016 I had to set-up autodiscover so Outlook 2016 can connect to the Exchange 2010.
Let's say this is my autodiscover URL:
https://...
- 336
1
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0
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53
views
Are there IMAP/POP3 to MS Graph Mail API proxy?
I've got some server product that retrieve emails via POP3/IMAP protocols. Currently switch from Exchange on-prem to Exchange online. Sadly it's not planned to enable POP3/IMAP support anymore even ...
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404
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MS Exchange 2016 and high memory usage
Our MS Exchange 2016 instalation has a high memory usage in store worker and sometines this stop to receive then email from another server. What may be wrong in our instalation?
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2
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110
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Send emails from Exchange to external recipient with the same domain name
I have two mail servers - one of which is on Exchange. Both mail servers have the same domain name, let's say domain.com.
On the Exchange Server I have distribution list groups, but I need to add ...
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1
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72
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Exchange 2013 MX priority
My exchange server 2013 when the destination domain has more than one MX record does not choose the MX record with the highest priority and is always trying to deliver to the lowest priority mx record....
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1
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58
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Script to write email into group working intermittently
I am running the script below in exchange management shell. The purposed of this is, I want to add a list of emails from an excel file (file has two columns, names and email) to a group. So as you can ...
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3
answers
151
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Error install exchange 2016 coexistence with exchange 2010
When installing exchange 2016.
Error: step 7 of 14 mailbox role: Transport service
The following error was generated when "$error.Clear();
if ( ($server -eq $null) -and ($...
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1
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135
views
How can I forward a copy of all passing mail in Microsoft Exchange?
I'm writing an yet another mail archiving software. It has an SMTP-listener. External MTA should forward (both incoming and outgoing) mail to it.
It was very easy to setup forwarding in postfix ...
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1
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119
views
Internal Address Spoofing using Outlook SMTP Server
Is there a way to harden Exchange Online to prevent spoofing of internal addresses using SMTP?
For example, if I connect to Outlook's SMTP server and issue the following commands:
HELO domain.com
MAIL ...
j4k3
-1
votes
1
answer
45
views
Back Pressure Event 15004 was detected
I have error 15004 and 15005 on excange server installed machine, resource utilzation is ok (according to zabix), what can cause it except memory and space?
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1
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173
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Exchange 2016 Remove Autocomplete Entry for All Users in Domain
I would like to remove an autocomplete entry for all Exchange users in the company.
An important address is moving to another mailbox and we want to avoid that users get error messages when using the ...
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0
votes
1
answer
22
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POSTFIX : Relaying all domain users from postfix server to exchange
I deleted my post and re-created it to be as clear as possible.
I m a beginner with postfix.
So, I have a postfix server relaying mail to my exchange 2016 server.
I want all domain users to be allowed ...
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171
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Exchange Server Cannot send and receive e-mail (501 5.5.4 Required arguments not present)
I am unable to send nor receive e-mails on my new Exchange server.
It is behind a pfSense firewall. All the necessary ports are forwarded to exchange server.
DNS records are valid on DNS provider.
...
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1
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Changing the working hours on a room mailbox in Outlook/Exchange
I setup a Room resource recipient in Exchange so that users could book the associated conference room. This part works, but when I attempt to view the room's schedule in Scheduling Assistant, the room ...
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61
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Exchange 2019, modify AddressList
Information stored in AD, for example IP Phone, Mobile and so on do not displayed in users Outlook>Contacts. As I understand I must use:
Set-AddressList -Identity "All Users List" -...
0
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1
answer
183
views
How to set-mailboxfolderpermission with import-csv
I want to import bulk zoom from CSV file.
The csv file format: name,email,capacity
And I create the room with the script as below:
$roomlist = import-csv roomlist.csv
foreach($room in $roomlist){
...
0
votes
1
answer
110
views
Exchange 2019 old migration issue
So awhile ago I was doing some Exchange Online migration work. I setup a migration from ExO to Ex2019 for a mailbox, but it failed due to space issues. I since fixed the space issue by creating a new ...
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2
answers
221
views
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 ...
- 156
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1
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358
views
Show an external internet calendar (ICS) in everybody's Outlook on 365
we're using M365 with more platforms - Outlook on Mac, iOS, Windows and web, as well as Calendar.app on iOS and macOS.
And we have an external HR web app which has an internet calendar such as webcal:/...
- 101
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2
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784
views
Exchange 2019 ActiveSync + Mobile Outlook App stop syncing
Good day!
We have a local installation of Exchange 2019.
Services are published through the IIS ARR reverse proxy.
Everything works correctly, including OWA and the Outlook desktop client.
But, at ...
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2
answers
42
views
outlook 365 distribution list overqualified
I need to issue an alias for a set of email addresses of our external partners-clients that a group of our employees use to send mail to so they don't have to pick them one by one each time. Locally ...
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1
answer
187
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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 (...
- 325
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0
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113
views
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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1
answer
29
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Exch 2019 - Change display name for the stored mails
We have the policy to create AD users in format of FAMILY NAME Given name, so my name appeared as BARANYI Peter (btw: this is the standard Hungarian format :) ).
Now the management asked us to change ...
1
vote
2
answers
723
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How to disable an Exchange 2016 mailbox and forward anything sent to it
fyi i would consider myself an exchange-noobie
Ok, the scenario is:
User left the company, but still gets a lot of mails sent to their mailbox. The AD User-password has been changed so they no longer ...
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1
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223
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Must Exchange server be published on Pfsense
I have an exchange server behind a PfSence unit, internal mails are routing effectively, but external mail are not being delivered. Must i publish my server on pfsense before external mails can be ...
0
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2
answers
682
views
Replace Exchange 2013 with 2019 servers and HWLWC
My setup is hybrid with all mailboxes in O365.
On-prem we have 2 x 2013 servers used for management and mail relay.
I would like to add 2 x 2019 servers to initially run concurrently with the 2013 ...
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1
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297
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Domains and Exchange 2019 [closed]
I've got a full domain environment at home and I've had my primary domain name for 13 years now and wanting to change it so it matches my exchange servers email domain.
For example; fyi those domain ...
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1
answer
144
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error 550 when IMAP users send mail to outside
in the newly installed exchange 2019 I'm facing a problem, employees that send mails to outside with IMAP are getting this error in their inbox:
Server error: '550 5.7.54 SMTP; Unable to relay ...
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0
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115
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can`t edit anything in exchange admin center 2019
recently in a new exchange 2019 installation server I'm facing a problem, every time i edit anything in ECP it turns into some kind of code and make me unable to save or edit it agian!
this is the ...
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0
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1
answer
373
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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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2
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2
answers
518
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Slow SMTP responses with Exchange 2013 (Not network infra related)
(I know 2013 is shortly out of support, and it will be replaced, but in the interim, I'm experiencing an issue I would like to fix.)
I will use telnet over port 25 as my example, but normal traffic ...
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1
answer
316
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Unusual Error on Exchange Server 2019 Enterprise
I've got my own personal Microsoft Exchange Server 2019 Enterprise at home and I recently upgraded all the VMware Guests to Server 2022, Rebuild all my domain controllers from scratch from 2012 R2 ...
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