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Questions tagged [outlook]

Outlook is a standalone or groupware client for Microsoft Exchange. It is used for Email, contacts, tasks and calendar.

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Tool to connect to IMAP server

I have an outlook mailbox. Main goal is to find out message's IMAP UID of particular message having all the information that outlook web interface provides (subject is quite good for that). I can ...
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It can take up to six hours for the app to appear in Outlook

Whenever I try to add an add-in in Outlook 2019 I get Deployed. It can take up to six hours for the app to appear in Outlook. Is there any way to force/speed up this process? 6 hours seems like... a ...
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TLS authentication issues with Outlook + Dovecot + Postfix + CentOS 8

I hope you are well! I'm new with unmanaged VPS and I'm running a Contabo server with CentOS 8 and AaPanel my problem is with the SMTP connection with Outlook, my server is only accepting SMPT ...
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directly launch "add mail account" on MLCFG32.CPL

I would like to directly launch "add mail account" on "MLCFG32.CPL" which resides inside here "C:\Program Files (x86)\Microsoft Office\Office16" or here "C:\Program ...
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-1 votes
1 answer
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Force Windows 10 to one mail profile regardless of user

As I understand it, Windows 10 Outlook mail profiles are in the user data/hive. Is there a way to force a machine to use one single mail profile regardless of the domain user logged in? One service ...
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Sender and From header domain mismatch causes malformed display in Outlook

We're using Mailgun to send promotional email messages, and we have a separate subdomain set up for that purpose (mail.example.com). This domain is also specified in the Sender header. On the other ...
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1 answer
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Windows security pop up never goes away

I'm running into a head scratcher type of situation. I have a user who has reported that they are getting a Windows Security pop up from outlook that keeps showing up even after clicking Cancel or ...
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Outlook with local exchange account asking for Microsoft online login

I seem to have more and more issues with Microsoft pushing to try and force everything into their online service lately. As of today I suddenly have two workstations that refuse to stay connected to ...
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Can I set multiple TXT record on my DNS? (in order to proove the ownership of a domain to 2 mailboxes system)

I am not a system\network engineer (I am a software developer) so this is not my cup of tea. I have the following problem: I am configuring some Office 365 mailboxes for a client (that at the moment ...
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2 answers
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Exchange 2019 Email Address Policy per user

We have been tasked with changing our company domain for email. Active Directory will remain the same. I have created (but not applied) a new Email Address Policy that specifies the new domain. The ...
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Microsoft Outlook Autodiscover With Private Email Server

I have a linux based mail server (not Microsoft Exchange) at mail.example.com I host email for multiple domains at this server: example1.com, example2.com, example3.com, etc I have a mail client ...
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Why does Outlook only connect to my server but not send any email?

I don't have any problems receiving email from Gmail, or any of the mailing lists that I've signed up for, but for some reason Outlook refuses to send any email to my mailserver. _handle_client ...
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Powershell to List Sent Items From Shared Mailbox by User

Is it possible to return a list of all items a user sent from Outlook on a given day, which includes mails they sent from a Shared Mailbox using 'Send As'? Ideally I'd like to use PowerShell. Example: ...
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Extract email addresses from Outlook Like

I run a book store and often use email to commuticate with customers. I opened a HotMail account back in the 90s and have received over 100,000 emails. I'm about to retire and would like to send an ...
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Unable to get Outlook App (Android) to connect to on-premise Exchange 2019

Overview I have an Exchange hybrid deployment, with one Exchange 2019 server on-premise and an EXO subscription. Our autodiscover.domain.com is pointing to our on-premise Exchange environment. As is ...
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Outlook slow connectivity - Owa no issue

For a few weeks, the clients connecting to our Exchange infrastructure using Outlook client (2016) experience some kind of slowness. The network team checked the load balancer for mapi and did not ...
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3 votes
1 answer
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X-Matching-Connectors exceeded allowed maximum

When sending some mails from Postfix to Outlook365 i receive an error: Nov 1 08:00:00 mail postfix/smtp[16252]: B7E8079FA8F: to=<somemail.dk>, relay=somemail.mail.protection.outlook.com[104.47....
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Search in Outlook not working

This has been a confusing issue so I hope I write this correctly and it makes sense. I've been having issues with an Exchange 2016 Server. The original problem was users not receiving their email. ...
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1 answer
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Why would an Email be missing recipient email address's in headers?

We have 2 companies working out of the same Remote Desktop environment. Company A uses Office 365 for all emails and Office apps. Company B uses a 3rd party hosted Exchange for sending emails but ...
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Outlook trying to autodiscover server that no longer exists

Autodiscover seems to have a lot of similar issues, but this one case existing solutions don't seem to help... Has the common "Allow this website to configure server settings?". However, ...
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3 votes
1 answer
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Display full FROM email address in Outlook

I'm trying to do phishing mitigation in the Outlook desktop app, and I've seen a number of cases where the display name is so long that the email address gets truncated, e.g. From: Microsoft email ...
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Exchange 2016 - Users mail keep being stuck in a Shared Mailbox‘s outbox until someone else uses the Same Shared Mailbox

I have come across a very unique problem that I have yet to find a solution for as even google failed me. When User1 tries to send a mail as the shared Mailbox SharedMailbox@ourdomain.com the mail is ...
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Outlook: Invalid signature of mixed HTML/Plaintext E-Mails

while testing new security GPOs, i've found the problem that with E-Mails that contain HTML and Plaintext, Outlook always complains about invalid signatures or tempered messages, even though with the ...
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Restrict Email Delete Access in Outlook Using Group Policy

Is there a way to restrict users from deleting email from Outlook using Group Policy or some other setup? Or else is there any email client or provider having functionality such that admin can ...
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1 vote
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MS Outlook (on Android) won't connect to postfix/dovecot - SSL_accept error

Microsoft Outlook (on Android) will not connect to postfix (SMTP). In the Android app, you will get the message that an error has occurred. On the postfix side I see that an SSL error occurred: Jul 17 ...
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1 vote
1 answer
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Duplicates are being imported into Exchange Mailboxes

I am using the New-MailboxImportRequest to import .PST files into existing mailboxes. These mailboxes have emails in them that are also included in the .PST file being imported. The import request ...
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Removing duplicates rooms from Outlook?

I know that this is by design, is there away to remove the duplicates from the room lists permanently? Some dated recommendations but nothing to recent. Followed the KB https://social.technet....
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Replies from shared account on Outlook 2016 not going into its own Sent Items

We're running Outlook 2016 on Exchange Server 2013. We are able to reply to incoming emails to that (shared accounts') email address, but when we do it's being put into the user's account's own Sent ...
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3 answers
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Outlook Desktop search contacts To/Cc/Ccn fields during typing

Our company migrate from KerioConnect to Office 365 to better manage the emails. Lots of people in the company have the same problem, can't search for contacts when creating a new email and typing in ...
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Exchange Migration without outlook configuration

I am working on migrating some users from Exchange1 and Domain1 users to Exchange2 and Domain2. I am able to migrate their accounts from Domain1 to Domain2 with their current password. No issues. I am ...
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External invitations disappearing after accepting in Mac Outlook v16.49

Lately, I have stumbled upon a rare issue using Mac Outlook calendar invitations. External invitations disappear after accepting them in Mac Outlook v16.49. Steps to reproduce: Appointment are ...
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Send As not Working sending from Outlook Client

Hey i set up a DL in office 365 and added members. I can send emails on behalf of the distribution group and it sends from office 365 but when i go to my outlook client i get an error that i cannot ...
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1 vote
2 answers
293 views

Outlook / Exchange connectivity issues over VPN

In our company, we are currently testing whether it would be possible to work from the home office directly via the vpn without having to rely on a virtual computer within the company. This means that ...
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1 vote
1 answer
876 views

Exchange transport rule to auto-CC a distribution group, when a message is sent from that distribution group

I have what is a bit of an odd business request - we have a distribution group, and when any email is sent on behalf of that group, it needs to CC itself. Since exchange mail flow rules don't seem to ...
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How do I automatically in-place archive items in users' Deleted Items folders?

We have an In-Place Archive set up on our Office 365 setup. We would like for our default policy to be to automatically IPA any item, including (and especially) in the Deleted Items folder, after 1 ...
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Outlook not properly displaying html emails

After a power outage (possibly complete coincidence but suspicious) Outlook 365 (desktop version) on 3 different Windows 10 machines (same Windows account), will load but not display HTML emails. Non ...
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Outlook 0x80040115

I've been having very intermittent issues with Outlook and have not been able to find a solution. Being so intermittent, it's difficult to troubleshoot since it goes up and down frequently on its own, ...
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1 answer
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How can I check & configure Exchange 2013 for sending Encrypted messages to external Email address using Outlook?

One of my user wants to send encrypted messages to external vendor so he requested IT department that how he can do this? I have configured my Outlook from Files-> Options -> Trust Center ...
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Mobile Outlook not working for one account

I have ONE account that is not syncing on mobile devices, either Android or iPhone. Other accounts work fine on both devices. So by process of elimination, it is apparent that it's the specific ...
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Some versions of Outlook can't log into port 993 (imaps)

I'm using dovecot. I'm having a hell of a time with some versions of Outlook not being able to log into my server over port 993. These clients have to use port 143 and with ssl = required and ...
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3 answers
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Login to https site from Windows without specifying domain

I have added a network calendar (served by radicale) to Outlook: Now a Windows security message is raised asking for login credentials. However, the domain of the computer is automatically added ...
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1 answer
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Sent items do not appear in the "Sent Items" folder in Outlook for Desktop, Outlook Mobile (iOS), or Outlook 365

One of our users is no longer able to see any mail in his "Sent Items" folder. When he sends out a message it sits in the Outbox until he manually selects "Send/Receive" from the ...
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Can MS Exchange Autodiscover service share same domain as website?

I have a client that wants (or needs, not sure) to use the MS Exchange Autodiscover service on their naked domain https://example.com. Their IT person has asked me to place (move) their new in-...
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Is dovecot compatible with Outlook's "Leave on server for X days" setting?

I've got a linux box running dovecot/postfix. I was surprised to learn that a client that had many GBs of email was running POP3. I thought they must have been using IMAP. But it turns out the server ...
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1 answer
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Rule - Search for my name in outlook messages but ignoring the text inserted in replies

I get a lot of junk emails that require no action from me so I wanted to filter out those that have my name in the body/subject and put them into a special folder. I realized after creating the rule ...
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Overwrite sender (From) when replying or making a new mail

We are looking for a way to overwrite the sender (From) when the user opens a new mail or replies to one. We found a tool (Bells&Whistles) which provides exactly what we need, unfortunatly they ...
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Can an owner of a group in Outlook 365 delete the email history of that group?

In Outlook365 one can create email group. People in the group can be "members" or "owners". Owners have privileges such as being able to add new members or even delete the group ...
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Postfix. SMTP (Send only) remote authentication

So I have enabled an Ubuntu Server 20 in the cloud with a dedicated public IP, and I want to use it as a SMTP server for MyDomain.com. I have setup DNS and PTR, so this server is mail.MyDomain.com I ...
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Outlook 2019 Calendar wont sync updates

I have an issue on some users with Outlook 2019, which Calendar won't sync updates on meeting. Outlook is connected to Microsoft Exchange 2016 On-prem. So, meeting was created by User A, and User B ...
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I'm getting "The server response was: 5.7.57 SMTP" When using an Office365 hosted Email on my SQL Database Mail

The mail could not be sent to the recipients because of the mail server failure. (Sending Mail using Account 2 (2021-02-01T13:38:08). Exception Message: Cannot send mails to mail server. (The SMTP ...
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