Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
1 answer
Receiving error - Sending' reported error (0x800CCC0F) : 'The connection to the server was interrupted. If this problem continues, contact your server administrator or Internet service provider (ISP).'
Hi. We use Outlook for our Rackspace email. We have used them for years and have our accounts set up as POP3 accounts with 995 as the incoming server and 465 as the outgoing. As of this morning we are all receiving this error? Task '******@domain.com -…
Exchange Online
asked 2025-08-12T17:55:31.2533333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(6.4, 21%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJR%3C/text%3E%3C/svg%3E)
Jack Riegler
0
Reputation points
edited the question 2025-08-13T01:27:04.0133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 3%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EVV%3C/text%3E%3C/svg%3E)
Vergil-V
2,115
Reputation points Microsoft External Staff
Moderator
1 answer
550 5.7.54 SMTP; Unable to relay recipient in non-accepted domain Error
Hello everyone and thanks for the help in advance. I am developing a C# .Net 9 Windows Application that uses the SmtpClient to send emails. I have an on premises Exchange Server 2019 that I want the application to connect to for sending emails. I…
Exchange | Exchange Server | Development
596 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(208, 34%, 30%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EK%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
Problem with the clock on my computer
Hello! My computer has a clock error. I closed it before (maybe it went into sleep mode). About 3 hours later when I turned it on, the clock was broken. It was about 7:00 PM but the clock was running at about 4:22 PM. Then I tried to reset the time zone…
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
asked 2025-08-09T12:40:51.03+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(48, 59%, 14%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETN%3C/text%3E%3C/svg%3E)
Thành Phát Lê
20
Reputation points
answered 2025-08-12T23:08:10.8566667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(172.8, 49%, 26%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJT%3C/text%3E%3C/svg%3E)
Jay Tr
1,060
Reputation points Microsoft External Staff
Moderator
3 answers
One of the answers was accepted by the question author.
Cleanup from issues experienced with Exchange Server 2019 CU15 PrepareSchema and PrepareAD
Over this last weekend, I decided to run the PrepareSchema and PrepareAD steps for CU15 since, up until now, it has been a fairly quick and straightforward process. Both seemed to complete without issue, but then I noticed that repadmin was reporting…
Exchange | Exchange Server | Other
1,476 questions
asked 2025-07-09T17:02:01.5133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 28.999999999999996%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBH%3C/text%3E%3C/svg%3E)
Brad Hunt
30
Reputation points
commented 2025-08-12T18:52:12.84+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(150.4, 5%, 24%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBP%3C/text%3E%3C/svg%3E)
Brandon Poindexter
71
Reputation points
1 answer
Recovering Email - Deleted on date does not match what happened
Hi - I have had a user call me and state that there mouse went crazy and deleted loads of e-mails from her in-box - back to mid july. They are in the Deleted Items folder , and can be recovered manually. But i went to recover them using Exchange online…
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
asked 2025-08-08T13:59:00.3966667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(121.6, 25%, 21%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EMC%3C/text%3E%3C/svg%3E)
Matthew Coffin
20
Reputation points
commented 2025-08-12T18:06:03.1366667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(57.599999999999994, 23%, 15%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAN%3C/text%3E%3C/svg%3E)
Alexis-NG
1,490
Reputation points Microsoft External Staff
Moderator
1 answer
Outlook email account can send but not receive?
My outlook account has stopped receiving email for the last 4 days. I have changed my PW as that was a possibility if the account was locked. I can send email but not receive either BCC or emails sent from other accounts, but can send to anyone.
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(38.4, 5%, 13%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EH%3C/text%3E%3C/svg%3E)
2 answers
One of the answers was accepted by the question author.
Delivery status notification (Failure)
Recurring error messages: There is a problem delivering your message to [my email address]_******@domain1.com. Forwarding and POP/IMAP setting is DISABLE FORWARDING. How do I resolve this issue as I have been receiving these error messages for 3 days.
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
asked 2025-08-11T23:21:11.2766667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(137.6, 37%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDH%3C/text%3E%3C/svg%3E)
D Hendricks
0
Reputation points
answered 2025-08-12T16:21:40.8133333+00:00
D Hendricks
0
Reputation points
1 answer
One of the answers was accepted by the question author.
Microsoft 365 Email close to limit
One email is close to limit on exchange/microsoft 365. I deleted emails on the account in Outlook but it did not make room. The emails must be in the trash on the server. How can I delete them out of there before the standard 14 days?
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(300.8, 48%, 39%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EB%3C/text%3E%3C/svg%3E)
2 answers
Client do not see actual message but sees warning message
Hello there, Recently we got an email from the client mentioning that they see warning message and not the actual message. We are sending message from elasticemail.com but our domain is different abc.com (example). Following is the log that the client…
Exchange | Exchange Server | Other
1,476 questions
asked 2025-08-06T11:38:34.5466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 23%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ESP%3C/text%3E%3C/svg%3E)
Sanju Poudel
0
Reputation points
commented 2025-08-12T13:12:17.42+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(217.60000000000002, 19%, 31%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EKN%3C/text%3E%3C/svg%3E)
Kudos-Ng
2,885
Reputation points Microsoft External Staff
Moderator
1 answer
One of the answers was accepted by the question author.
Deleted on Date - what does it mean?
Hi Everyone - this is my second attempt at lohgging this question. IN Exchange online, the deleted on date does not match what happened . i have a user who deleted hundred's of emails from her inbox. When i tried to recover them , I can only see 4 items…
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
asked 2025-08-08T14:03:45.5633333+00:00
Matthew Coffin
20
Reputation points
accepted 2025-08-12T10:35:22.6733333+00:00
Matthew Coffin
20
Reputation points
1 answer
For no reason at all, when everyone connects to exchange in outlook, a pop-up box appears asking them to enter their credentials?
We have three exchange 2016 cu23, namely ex01, ex02 and ex03. We have four databases, namely db01, db02, newdb01 and newdb02 db01 and db02 are mounted on ex01. The priority of ex01 is 1, that of ex02 is 2, and that of ex03 is 3 newdb01 and newdb02…
Exchange | Exchange Server | Management
7,946 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(92.8, 66%, 18%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EY%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(195.2, 61%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETT%3C/text%3E%3C/svg%3E)
2 answers
How can we retrieve email activity across the tenant where the Direct Send method was used to send emails?
As Microsoft plans to disable the Direct Send method in the tenant, we need a message report detailing all emails sent and received using Direct Send across the tenant. How can we retrieve email activity across the tenant where the Direct Send method was…
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(112.00000000000001, 67%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAK%3C/text%3E%3C/svg%3E)
1 answer
One of the answers was accepted by the question author.
exam cancellation
"I have scheduled an exam using a voucher. If I cancel it, can I use the same voucher to schedule another exam? I need to know the cancellation policy for voucher-based exams."
Exchange | Other
727 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(262.40000000000003, 50%, 35%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EDS%3C/text%3E%3C/svg%3E)
2 answers
Hotmail is blocking O365 Servers
Microsoft is blocking itself. We have an employee on O365 GCC (not high) that's attempting to email an @hotmail address. The email is being blocked my live.com servers. Error/Screenshot attached.
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(227.2, 53%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(246.4, 68%, 33%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJT%3C/text%3E%3C/svg%3E)
1 answer
Problem - Exchange 2019 CU15 & Modern Auth through on-prem ADFS
Hi, I am trying to configure Modern Auth with my up-to-date Exchange 2019 CU15 DAG. Please note that I want to authenticate through my on-prem ADFS and not Office 365. Outlook version is Microsoft® Outlook® for Microsoft 365 MSO (Version 2506 Build…
Exchange | Exchange Server | Other
1,476 questions
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(9.6, 75%, 10%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ER%3C/text%3E%3C/svg%3E)
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(80, 18%, 17%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EAH%3C/text%3E%3C/svg%3E)
0 answers
External Mail Flow Configuration in Exchange Online
What are the steps and considerations for setting up external mail flow for Exchange Online? Specific details on how it functions and any potential issues to be aware of would be helpful. Explain it with examples.
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
asked 2025-08-11T19:54:27.1866667+00:00
Gurudas
951
Reputation points
commented 2025-08-11T20:11:40.58+00:00
Andy David - MVP
158.4K
Reputation points MVP
Volunteer Moderator
1 answer
why are my mail messages suddenly being rejected as spam?
Diagnostic information for administrators: Generating server: PH8PR20MB6366.namprd20.prod.outlook.com ******@gmail.com Remote server returned '550 5.7.520 Message blocked because it contains content identified as spam. AS(4810)' Original message…
Outlook | Windows | Classic Outlook for Windows | For business
27,441 questions
Exchange | Exchange Server | Management
7,946 questions
asked 2023-04-08T13:48:04.2533333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(227.2, 4%, 32%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EGM%3C/text%3E%3C/svg%3E)
Gordon Myers
60
Reputation points
commented 2025-08-11T14:42:02.0266667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(192, 2%, 28%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EJL%3C/text%3E%3C/svg%3E)
Jane Lane
0
Reputation points
1 answer
Tenant access is blocked
Hello I have a question, because our tenant is blocked, I am a global admin and can not handle this, could you please help and unblock our tenant? Thanks! UTC Date: 2025-08-08T12:57:24.782Z Client Id: xxxxxxx Session Id: xxxxxxxx Client Version:…
Exchange | Exchange Server | Other
1,476 questions
asked 2025-08-08T12:59:07.71+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(297.6, 25%, 38%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EBJ%3C/text%3E%3C/svg%3E)
Bc. Jakub Hruška
0
Reputation points
edited a comment 2025-08-11T14:00:38.3466667+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(105.60000000000001, 69%, 20%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHV%3C/text%3E%3C/svg%3E)
Hin-V
2,075
Reputation points Microsoft External Staff
Moderator
2 answers
EWS Login Page Authentication Issue
I am attempting to connect to the EWS URL through my browser, having configured both the internal and external URLs in the virtual directory. However, I consistently receive a username and password prompt and encounter a 401 Error. Are there any…
Exchange | Exchange Server | Other
1,476 questions
asked 2025-08-11T09:40:53.5333333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(134.4, 26%, 23%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3EHN%3C/text%3E%3C/svg%3E)
Hamed Nourollahzadeh
0
Reputation points
commented 2025-08-11T13:41:18.61+00:00
Kudos-Ng
2,885
Reputation points Microsoft External Staff
Moderator
1 answer
One of the answers was accepted by the question author.
Can we deploy multiple dkim on each domain
We use Microsoft Exchange to host our @ourdomain.com email with all DNS records (SPF, DKIM, etc.) correctly set up. We're adding Zoho CRM, which will send emails from our domain via its own servers. Zoho asks us to verify the domain and add a DKIM record…
Exchange Online
Exchange Online
A Microsoft email and calendaring hosted service.
6,310 questions
asked 2025-08-11T08:43:37.3133333+00:00
![](data:image/svg+xml, %3Csvg xmlns='http://www.w3.org/2000/svg' height='64' class='font-weight-bold' style='font: 600 30.11764705882353px "SegoeUI", Arial' width='64'%3E%3Ccircle fill='hsl(12.8, 15%, 11%)' cx='32' cy='32' r='32' /%3E%3Ctext x='50%25' y='55%25' dominant-baseline='middle' text-anchor='middle' fill='%23FFF' %3ETT%3C/text%3E%3C/svg%3E)
Titus Tolbert (Sr. Dev Operation, Hoka corp)
300
Reputation points
accepted 2025-08-11T13:05:20.1966667+00:00
Titus Tolbert (Sr. Dev Operation, Hoka corp)
300
Reputation points