The main feature of Microsoft Exchange is delivery of email messages, however it has many other features such as calendaring, contact lists and to-do lists.

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70
votes
12answers
7k views

Exchange server replacement that runs on Linux

I've worked as a sysadmin for some years and what I keep coming back to is that users like Microsoft Outlook and want to use its Exchange features. I have tried my fair share of commercial ...
28
votes
5answers
127k views

Need to add a “Wait” command to a Powershell script

Here is my current code: Write-output “ENTER THE FOLLOWING DETAILS - When Creating Multiple New Accounts Go to EMC hit F5(refresh) and make sure previous new account is listed before ...
26
votes
7answers
15k views

Is there any open source Exchange server? [closed]

Is there any open source Exchange server that is work fine like Microsoft Exchange for Linux or Windows?
22
votes
11answers
41k views

Linux clients for Exchange (email and) calendar [closed]

At $work, the official email solution is Outlook on Windows, connected to an Exchange server. That's problematic for people with Linux on their desktop machine. The Exchange server supports IMAP, and ...
19
votes
14answers
3k views

Email Archiving in an Exchange Environment

We're looking into a solution to do email archiving and near-line backup of our Exchange Server 2007 environment. We currently have about 200 mailboxes and the Mailstore is approx 150 GB. We need ...
18
votes
2answers
2k views

Outlook fails to connect to a load-balanced Exchange 2013 cluster through Direct Access 2012 R2

We have a load-balanced Exchange 2013 SP1 cluster, running MAPI over HTTP. Client connectivity inside our own network works just fine, while clients connected over Direct Access does not connect. The ...
16
votes
4answers
4k views

Does Exchange support plussed users (e.g. myname+spam@example.com) or a similar mechanism?

Sendmail supports a feature called 'plussed users'. Once enabled, emails sent to myname+spam@example.com, myname+sometopic@example.com and myname+anything@example.com are automatically delivered ...
14
votes
11answers
17k views

Good & free Exchange spam filter [closed]

Do you know a good (and free, if possible) Microsoft Exchange 2003 spam filter?
14
votes
3answers
3k views

Schedule/queue large e-mails in Exchange 2010, defer until latency drops

My challenge We have Exchange servers at various sites, but also aboard ships. The ships are connected to our network through satellite links when at sea, but switch to WiFi bridges when in port. ...
13
votes
4answers
4k views

How bad is it to run Exchange 2016 on a Windows 2012 R2 domain controller for a small organization with assuredly fewer than 25 users?

I know that it has been officially unsupported forever and yet I have seen or heard about many small business installations of a single host running AD DS and Exchange simultaneously. For a resource-...
13
votes
2answers
38k views

Outlook security alert - The name on the security certificate is invalid or does not match the name of the site

SBS 2008 running Exchange 2007 and IIS6.0 CompanyA has two other companies that operate under the same roof. To accommodate email, we have 3 Exchange accounts per user to manage this. All users use ...
11
votes
3answers
6k views

Moving from Exchange 2003 to Exchange 2010

Consider a small-medium business' deployment of Exchange 2003. The question is around migrating to Exchange 2010. Here's a bit about the landscape: Current state is 50-100 users/mailboxes with the ...
11
votes
7answers
7k views

Exchange 2007 Client for Linux

Has anyone had success with a working Exchange 2007 client for Linux? I'm not looking for an IMAP client or anything of the sort...there's plenty of them around, but a client that actually supports ...
11
votes
4answers
9k views

outlook requiring password after exchange reboot

We recently moved from Exchange 2003 to 2010, and have noticed a quirk that is annoying us. If our exchange server (single server) goes down, ie it gets rebooted, or client loses connectivity (or for ...
10
votes
8answers
3k views

Backup Solutions for Exchange 2007

What Backup solutions do people use for Exchange 2007? In particular i'm interested in those that allow a mailbox level backup, so that individual mailboxes can be restored.
10
votes
2answers
14k views

How to stop Outlook 2007 asking for credentials when using RPC over HTTPS

I've configured several of our outlook 2007 clients (connected to Exchange 2003) to use RPC over HTTPS. This allows our users to connect to the Exchange server remotely without having to connect using ...
10
votes
1answer
672 views

Active Directory and Exchange Architecture Questions and Issues

Here's the background on our situation... Right now, we are setup as three distinct companies with three complete Active Directory and Exchange systems. The three offices (One in the US, two in ...
10
votes
3answers
6k views

Meeting availability using iPhone/iOS calendars

Our management team all use iPhones with the built-in iOS calendar app. We're looking into getting Microsoft Exchange for everyone here, but that'll take us some weeks to plan and roll-out across the ...
10
votes
8answers
22k views

ActiveSync devices causing accounts to lockout

When a user changes his account password for whatever reason (read: expired), and the old password is stored in his mobile device connected through EAS. This will cause his account to lockout almost ...
10
votes
1answer
635 views

How do I audit user's mailbox actions performed via IMAP in Exchange 2010?

I read through the Technet article on Mailbox auditing but it seems to only be working for MAPI access. I perform the following cmdlet to enable auditing of the owner: > Set-Mailbox -Identity "Mr....
9
votes
4answers
733 views

Blackberry mail service basics?

Can someone explain very briefly the way Blackberry's email functions. I'm not looking for nuts and bolts, just answers to some very basic questions: Does a Blackberry check with an Exchange server ...
9
votes
1answer
332 views

What are the implications of converting all my groups to universal groups?

In Exchange 2010 distribution groups must be universal. This is supported by documentation You can create or mail-enable only universal distribution groups. I am trying to create a role based ...
9
votes
1answer
478 views

Can Exchange be configured to populate a text/plain part of a meeting invite?

I work in an environment where some people are using Microsoft Exchange and some people are not. The meeting invitations sent out by Exchange include a text/calendar attachment with the meeting ...
8
votes
5answers
1k views

Why do big Exchange installations require downtime for maintenance?

I have used several top tier third party Exchange providers over the years, and all of them have had regular scheduled downtimes for routine maintenance (roughly once a month). I am wondering what is ...
8
votes
5answers
40k views

Setting Out of Office message for someone else

On occasion, a member of our team calls in sick and is either unwilling, or unable, to set their Out of Office message in Exchange. What we've done in the past is just reset that user's password, ...
8
votes
2answers
6k views

Steps to rename an Exchange 2010 SP2 server

I made an unfortunate error when I named an Exchange server msex0 which I felt of course was short for "MicroSoft EXchange." The server in question is running Windows Server 2008 R2 with all the ...
8
votes
4answers
50k views

Exchange 2010 Powershell command to check if an email address exists in the system

I'm looking for an Exchange 2010 command that would do the following: Given an email address (fully-qualified with domain and all) check if the email address is associated to some mailbox or group ...
8
votes
2answers
1k views

Outline the quirks of Windows Small Business Servers (SBS)

I'm not much of a Microsoft administrator. However, I do work extensively with new and existing Microsoft Exchange deployments. That's just how the career-arc went. I'm working with a small customer ...
8
votes
2answers
308 views

Migrating from Exchange 5.5 to Exchange 2010

I'm in the unenviable situation of being asked to migrate a mail server from Exchange 5.5 to Exchange 2010. The domain has two sites connected via T1 and an exchange 5.5 server (neither are installed ...
8
votes
0answers
613 views

Export GFI MailArchiver e-mails for import into Exchange 2010 SP1 Personal Archiving

We have an existing installation of GFI MailArchiver 5 with several databases of archives (perhaps 100-150GB). The goal is to export each user's archived e-mail and then import it into Exchange 2010 ...
7
votes
9answers
4k views

Pros/Cons of switching from Exchange to GMail

We are a medium-large non-profit company, with around 1000 staff and volunteers, and have been using MS Exchange (currently 2003) for our mail system for years. I recently attended a Google ...
7
votes
4answers
10k views

iphones and exchange, what am I missing?

I am trying to get iphones to play with our exchange 2010 server. I have opened ports 25 and 993 on the firewall, and I can get the account to validate, but I cannot send or receive email from it. ...
7
votes
2answers
3k views

Why is email being delivered normally despite an SPF “hardfail”?

I'm trying to figure out why forged email is being delivered to major email providers (gmail.com, outlook.com) even though email is marked with an SPF hardfail. The email is also delivered to ...
7
votes
4answers
10k views

Preventing 'Reply-All' to Exchange Distribution Groups

This is another question in a short series regarding a challenging Exchange project my co-workers have been asked to implement. (I'm helping even though I'm primarily a Unix guy because I volunteered ...
7
votes
5answers
26k views

Syncing Tasks from MS Exchange to iPhone

iPhone doesn't ship with an application to manage tasks or to-do lists, so when you sync your phone with an Exchange server, your Tasks don't make it over. What options exist for syncing Exchange ...
7
votes
4answers
9k views

Getting Exchange to do DKIM

Having read Jeff's blog post about Email and DKIM, I'm thinking it might be good to DKIM all mail coming out of our Exchange 2003 servers. Whats a good way of going about that?
7
votes
2answers
818 views

How to recover data from an Exchange 2013 database after a complete Active Directory loss?

Scenario: a single Exchange 2013 server in a Windows Server 2003 AD domain; one DC malfunctioned months ago and was dismissed (without proper demotion, no less); the other DC died yesterday and there ...
7
votes
5answers
16k views

Is there a way to use the Autodiscover feature without Exchange?

The autodiscover method used by Exchange looks great. However I do not have Exchange. It looks like when setting up a mail account the device/mail client looks for a autodiscover.xml file. Is there ...
7
votes
3answers
626 views

Properly remove Exchange after migrating to Google Apps? Or leave it?

I've replaced Exchange 2007 with Google Apps, but now am facing the obtuse Exchange removal process. It seems that I need to go in and tear everything out manually (to uninstall I have to first remove ...
7
votes
4answers
35k views

Can't give 'send-as' permissions in Exchange 2010

I'm trying to give 'send-as' permissions to one user in Exchange 2010. Here is the Powershell command I'm running: Add-ADPermission "User1" -User "Ourdomain\User2" -Extendedrights "Send As" ...
7
votes
1answer
5k views

Exchange Server Using Wrong Active Directory Site

Our Exchange 2013 server suddenly started logging errors about bad replication between sites (there should be no replication as there is no other server) as well as several other issues that appear to ...
7
votes
4answers
8k views

Can Exchange 2010 high availability be achieved with only 2 servers?

In Exchange 2010, you can define Database Availability Groups and have your mailbox database(s) automatically replicated between multiple servers, and you can have mailbox server which are members of ...
7
votes
1answer
2k views

Change Outlook “reply to” based upon sent address?

We have a shared mailbox on Exchange 2010 that multiple clients access using Outlook 2010. There are multiple distribution lists (that each have multiple email addresses) that point to this single ...
6
votes
2answers
589 views

For an internet-facing, all-roles-in-one Exchange server, what do I need to let through the firewall?

As the result of a recent penetration test, in which we did not fare well, it has been brought to my attention that our internet facing, all-roles-in-one, Exchange 2010 SP3 server has no firewall in ...
6
votes
7answers
3k views

Should Out of Office be sent externally?

There is an option in Exchange System Manager to prevent or allow Out of Office messages to be sent to external addresses. Technically, this is pretty easy to configure - and Exchange 2007+ lets you ...
6
votes
12answers
2k views

Recommendations for handling Directory Harvesting spam on Exchange 2003

Our Exchange server is getting slammed with anywhere between 450,000 and 700,000 spam messages per day. We receive about 1700 legitimate messages in the same time frame. Roughly 75% of the spam is ...
6
votes
2answers
2k views

Display a TLS icon for messages that are TLS secured (Outlook)

One of my colleagues at a large financial institution has customised Lotus Notes to show a TLS icon for messages that are TLS secured. I'm interested in imitating this feature in Outlook, and believe ...
6
votes
6answers
8k views

What are the pros/cons of running your own Exchange system vs. paying for a hosted solution

Surprisingly, after the long discussion on that well-known meta question, it doesn't seem like anyone's asked about the question that was used as an example: what are the tradeoffs of running your own ...
6
votes
2answers
375 views

Exchange 2003 and 2010 coexistence - when is there downtime?

I currently have a very simple single server exchange 2003 setup. I'm planning to add a single exchange 2010 server with all roles, and slowly move people over to it. Technet and several blogs have ...
6
votes
1answer
2k views

How to migrate 200+ people company from hosting to Exchange 2010 in most non distruptive way

We want to implement Exchange 2010 in our organization which is spread over couple of locations. Right now we're using POP3/SMTP at hosting and all people are using Outlook 2007 and 2010. Mail for our ...