897 questions with Exchange | Other tags

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3 answers

Spam detection issue in emails sent to Office 365 enterprise customers!!!

Hi, When an email is sent from the [Moderator note: personal info removed] domain to any domain receiving service from Office365, it ends up in the spam folder.  Dmarc, DKIM, SPF, RBL, and PTR were all checked; even after we removed DKIM and Dmarc, the…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-09T09:49:57.26+00:00
Atlas On Line 0 Reputation points
commented 2026-03-11T09:08:51.0166667+00:00
Kudos-Ng 14,515 Reputation points Microsoft External Staff Moderator
1 answer

Logged out of MS Teams Calendar

Error message Error Code = Unknown Error Message = Unknown Troubleshooting link = https://learn.microsoft.com/en-us/microsoftteams/troubleshoot/exchange-integration/teams-exchange-interaction-issue

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-10T11:20:37.6733333+00:00
Andy Adams 0 Reputation points
commented 2026-03-11T08:23:11.36+00:00
Steven-N 21,805 Reputation points Microsoft External Staff Moderator
3 answers

How to fix email send out erro 550 5.7.236

Domain user : [Moderator note: personal info removed] .com Send out error Remote server returned "550 5.7.236 Your message can't be sent because your tenant has exceeded its daily limit for

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-02-05T09:23:06.61+00:00
Loh 0 Reputation points
commented 2026-03-11T07:59:02.4166667+00:00
Hin-V 13,070 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Restricted entities

We have an office email address, which has been shared mail box for many years, i recently converted this into a user account as a 3rd party system we used to send email on our behalf wanted to start charging us a lot more for them to send emails for us,…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-09T14:52:41.24+00:00
Wesley Jones 50 Reputation points
accepted 2026-03-10T14:57:31.3266667+00:00
Wesley Jones 50 Reputation points
4 answers

Can not send mails, due to (not possible) exceeding of limits

At our [Moderator note: personal info removed] maildomain, we get this message: Your message can't be sent because your tenant has exceeded its daily limit for sending email to external recipients (tenant external recipient rate limit) But we did not…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-05T10:34:41.3966667+00:00
Abel Keun 0 Reputation points
commented 2026-03-06T13:58:05.9066667+00:00
Hin-V 13,070 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

is it safe to remove Exchange Trusted Subsystem group from Administrators group?

Hi all, We have Exchange server 2019 and we found it is member of AD built in Administrators group. Is it safe to remove Exchange Trusted Subsystem group from AD Administrators group? Best regards, Abdu;-Malik

Exchange | Exchange Server | Other
Exchange | Exchange Server | Other

A robust email, calendaring, and collaboration platform developed by Microsoft, designed for enterprise-level communication and data management.Miscellaneous topics that do not fit into specific categories.

1,603 questions
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

8,121 questions
Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2023-02-05T20:59:47.3466667+00:00
Abdul-Malik 20 Reputation points
answered 2026-03-05T14:09:19.1533333+00:00
Me&Me 0 Reputation points
3 answers

Unable to Receive Emails from External Domains

Dear Support Team, I am unable to receive emails in my account. However, I am able to send emails without any issue. When emails are sent from another Microsoft 365 account, I receive them successfully. But when emails are sent from external domains such…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-04T07:12:03.7933333+00:00
Saji Manuel 0 Reputation points
commented 2026-03-05T14:00:08.4966667+00:00
Kudos-Ng 14,515 Reputation points Microsoft External Staff Moderator
2 answers

How to migrate On-Prem Exchange security Group to the cloud ?

Migrate On prem Exchange Security group to the cloud Moderator note: Moved from Microsoft 365 and Office Other

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-03T19:11:30.6133333+00:00
Brian Collins 0 Reputation points
commented 2026-03-05T06:29:01.65+00:00
Hani-Ng 8,720 Reputation points Microsoft External Staff Moderator
3 answers

Retrieving Email Data from Mailbox for the Past 6 Years

Is it possible to retrieve all emails sent from a mailbox over the past 6 years in CSV or Excel format from the admin center? Are there any PowerShell commands available to check and extract this data?

Exchange Online
Exchange Online

A cloud-based service included in Microsoft 365, delivering scalable messaging and collaboration features with simplified management and automatic updates.

7,013 questions
Outlook | Windows | Classic Outlook for Windows | For business
Exchange | Exchange Server | Management
Exchange | Exchange Server | Management

The administration and maintenance of Microsoft Exchange Server to ensure secure, reliable, and efficient email and collaboration services across an organization.

8,121 questions
Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2025-01-19T06:19:26.46+00:00
Mohana Reddy 185 Reputation points
answered 2026-03-05T01:05:28.4533333+00:00
Lishi He 0 Reputation points
2 answers

how to tell gmail that they should deliver our emails?

Google is blocking one of our custommers email as spam and reject it. We did all settings as goole request it but only onmicrosoft.com emails will be delivered. I foud an error about SPF entry with an ipv6 address which belongs to…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-03T09:48:56.3566667+00:00
Rauber Dominik 0 Reputation points
commented 2026-03-04T07:23:11.1+00:00
Hin-V 13,070 Reputation points Microsoft External Staff Moderator
3 answers

TidyCal error 550 5.7.708 automatic calendar invites trigger ‘suspicious IP address’ warning

I have connected a TidyCal account to my Microsoft business account. TidyCal creates a Teams meeting and sends out calendar invitations automatically, but I keep receiving an error email from Microsoft stating that the IP address is suspicious. The email…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-02T08:50:46.2433333+00:00
Tara 0 Reputation points
edited a comment 2026-03-04T07:15:18.02+00:00
Jayden-P 17,110 Reputation points Microsoft External Staff Moderator
2 answers

I'm trying to sync my Outlook account with OneDrive, but I'm getting this error

Correlation Id: <PII: Moderator removed> Timestamp: 2026-03-02T16:54:10.000Z DPTI: <PII: Moderator removed> Message: The operation attempted is invalid. Tag: 7q6cd Code: 2156265473

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-02T16:57:30.61+00:00
huy luong 0 Reputation points
edited an answer 2026-03-04T01:18:01.87+00:00
TiNo-T 11,770 Reputation points Microsoft External Staff Moderator
2 answers One of the answers was accepted by the question author.

Error When Receiving Emails

We are experiencing an issue when receiving emails. Some emails are received normally, but others are not. For your reference, we have already checked our available storage space and confirmed that it is sufficient. We have also reviewed the blocked…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-02-25T08:31:20.5933333+00:00
CORP MHK 20 Reputation points
accepted 2026-03-03T01:51:58.4033333+00:00
CORP MHK 20 Reputation points
2 answers

Issue with outlook when receiving mails from Zoho recruiting tool for interviewers

Hello Team, We are facing an issue with Outlook calendar behavior for interview invites generated from Zoho Recruiting / Zoho People and request your assistance to validate if there are any Microsoft-side changes or limitations involved. Environment …

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-03-02T05:05:23.77+00:00
Avinash Dhanukonda 25 Reputation points
edited an answer 2026-03-02T14:15:01.5566667+00:00
Jack-Bu 6,675 Reputation points Microsoft External Staff Moderator
2 answers

Outlook not updating

emails are not updating in my Outlook it is signed in to the exchange server

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-02-27T03:11:17.11+00:00
Christian Mueller 0 Reputation points
commented 2026-03-02T01:11:18.1066667+00:00
Vergil-V 10,340 Reputation points Microsoft External Staff Moderator
1 answer

Cannot log into MacBook Air password has changed

The password on my MacBook Air has changed itself and I cannot open it anymore cause I don’t have the code given when I first set up the computer.

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-02-28T01:19:34.4766667+00:00
Cannot open my Macbook air password has changed 0 Reputation points
answered 2026-02-28T02:57:35.53+00:00
kagiyama yutaka 1,170 Reputation points
1 answer

Outlook.com email bouncing

Good morning, i have attempted several times today to send an email to an outlook.com address and each time it has bounced saying "A communication failure occurred during the delivery of this message. Please try to resend the message later. If the…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-02-25T23:49:12.4266667+00:00
Learn - 3 Rivers Training 0 Reputation points
edited a comment 2026-02-27T09:58:23.1+00:00
Jack-Bu 6,675 Reputation points Microsoft External Staff Moderator
2 answers

my outlook is working very slow

the outlook is ruining very slow. it takes a lot of time to open any thing in the outbook.

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-02-25T11:58:13.0133333+00:00
Shvan Bakhtyar 0 Reputation points
commented 2026-02-26T14:10:40.5833333+00:00
Hani-Ng 8,720 Reputation points Microsoft External Staff Moderator
2 answers

Delivery problems from [Moderator note: personal info removed] (IP [Moderator note: personal info removed] ) - Errors 4.4.2 and 4.2.0

We are experiencing persistent delivery errors (4.4.2 and 4.2.0) to Hotmail/Outlook domains for several days. We have already registered for the SNDS and JMRP programs for the IP address [Moderator note: personal info removed]. We are not spam senders;…

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-02-25T07:22:55.4166667+00:00
Carmena Miguel, Francisco 0 Reputation points
commented 2026-02-26T11:20:54.0933333+00:00
Hin-V 13,070 Reputation points Microsoft External Staff Moderator
2 answers

Outlook not sending mail = outlook turned red

How do I get an agent to work with me by remotely looking at my screen

Exchange | Other
Exchange | Other

A powerful email and collaboration platform developed by Microsoft, designed to support enterprise-level communication and productivity. Miscellaneous topics that do not fit into specific categories.

897 questions
asked 2026-02-25T19:30:40.5666667+00:00
Steve Webber 0 Reputation points
answered 2026-02-25T23:23:09.27+00:00
Vergil-V 10,340 Reputation points Microsoft External Staff Moderator