Exchange Online is a cloud service offered by Microsoft as part of the Office 365 product. Like other Office 365 services, it was created with the goal of providing customers with reliable and trouble-free IT services, allowing them to abandon the costly and insecure on-premises deployment of IT infrastructure. Exchange Online provides single sign-on, synchronizes with Active Directory, and provides excellent scalability and configuration changes - cost-effectively and painlessly.

Microsoft Exchange Online enables organizations to leverage the power of Exchange without on-premises deployment and maintenance, or to combine on-premises and online services if necessary, a hybrid deployment. For example, in large industrial enterprises, some of the equipment requires local hosting of services, while computers not used in production can be serviced in the cloud.

Exchange Online Features and Benefits

Overall, Exchange Online has almost all the same benefits as others cloud services Office 365:

Data transmission security

Microsoft uses ultra-reliable data security methods in its cloud solutions:

• SSL (Secure Sockets Layer - level of secure sockets) is a protocol that provides a secure connection between a client and a server. Confidentiality of data exchange is ensured through encryption using a special algorithm. Anyone who intercepts the data transmission receives only the encrypted code.
• TLS (Transport Layer Security - transport layer security) is a modernized version of the SSL protocol. This protocol additionally uses special algorithms to ensure confidentiality and security of the information flow.

Intrusion control

Microsoft monitors for any suspicious activity in the cloud that could be an intrusion attempt. For each such fact, an internal investigation is conducted. If a penetration actually occurs, the company notifies the client and takes appropriate measures to minimize risks and compensate for damage.

Security audit

Microsoft ensures your infrastructure is highly protected by using the latest antivirus subscriptions and regularly updating your protection.

Continuous access to data

all services Microsoft Office 365 guarantees 99.9% access to data at any time and from anywhere in the world where the Internet is available. If the agreed quality level (SLA) is not met, Microsoft will compensate the customer financially.

PortalMicrosoft Online Services

Microsoft Online Services is the action center in Office 365. Here users can find online help, launch SharePoint, Outlook, Web App (the configuration and availability of services depends on the needs of the company). Administrators manage users and services through the portal and gain access to the necessary tools and settings.

Directory Synchronization Tool

This tool allows you to synchronize cloud services with existing local Active Directory.

Remote administration

Microsoft Windows PowerShell™ allows administrators to remotely configure the system and automate processes using scripts. For example, tasks such as creating account, password reset, license assignment, can be fully automated.

Single Sign On

Administrators can configure their own Active Directory with Microsoft Federation Services. All Office 365 users can then use their existing login credentials - they will be automatically authorized into Office 365.

Exchange Online subscription plans

Exchange Online offers three subscription plans:

Functions	Exchange Online Kiosk	Exchange Online Plan 1	Exchange Online Plan 2
Basic mailbox	2 GB	50 GB*	Unlimited**
OWA (standard and lite versions)	Yes	Yes	Yes
POP mail protocol	Yes	Yes	Yes
Interactive Mail Access Protocol (IMAP)	No	Yes	Yes
Outlook Anywhere (MAPI)	No	Yes	Yes
Exchange Web Services	No	Yes	Yes
Microsoft Exchange ActiveSync allows you to synchronize work on different devices	Yes	Yes	Yes
Exchange Web Services	No	Yes	Yes
Automation rules	No	Yes	Yes
Access delegation	It is not possible to create access to other users' mailboxes or share mailboxes	Yes	Yes
Instant messaging capabilities in OWA	No		Yes, Lync Online or Microsoft Lync Server 2010/2013 is required
SMS notifications	No	Yes	Yes
Custom Policies	Yes	Yes	Yes
Search for mailboxes and letters	Yes	Yes	Yes
Personal archives	No	Yes	Yes
Voice messages	No	No	Yes
Judicial hold	No	No	Yes

*50 GB for the main mailbox and 50 GB for the personal archive

**50 GB in the main mailbox and unlimited personal archive

• All subscription plans include core organizational features.
• All plans include anti-virus protection and anti-spam filtering through the Microsoft Online Protection Center.
• No user subscriptions are required for meeting rooms or shared mailboxes. They do not require special login credentials - authorized users manage these types of mailboxes through delegation of rights.

Any of the Exchange Online subscription plans can be purchased as a standalone product or as part of Office 365. Each tariff plan Office 365 includes Exchange Online, but the features will vary.

Custom mailboxes

Mailbox capacity is determined by the user's subscription. For special box types, such as shared mailboxes and conference rooms, you can change the volume limits.

*Office 365 admins can use remote PowerShell to reduce sizes mailbox all users or just one.

Warnings when a user's mailbox is approaching their data limit

Exchange Online provides three notifications to let users know when their mailbox is approaching its data limit:

Warning

Users receive a warning email.

Prohibition on sending mail messages

Users receive an email informing them that a ban on sending correspondence from this mailbox has entered into force, due to the fact that the amount of data on it has approached the maximum permissible value. The user will receive a corresponding non-delivery report (NDR) from the system.

Prohibition on sending and receiving mail

Exchange Online rejects incoming mail when the data limit in a user's mailbox is reached. Users will not be able to send or receive correspondence until they free up some mailbox space.

*Remote PowerShell allows Office 365 administrators to change default quotas, which trigger one of three warnings and restrictions.

The following table shows the default mailbox limits:

Message Size Limits

Message size limits are required to prevent large message forwarding from affecting system performance and to ensure fast delivery to all users. Message size limit is a default global variable that applies to all messages, both incoming and internal. It is 25 MB.

*The message size limit value does not change, but administrators can additionally create a transport rule that limits the maximum file attachment size.

Message limits

Exchange Online provides restrictions on the number of messages and letters sent: messages can be sent from one mailbox to no more than 10,000 recipients, emails can be addressed to no more than 500 recipients per day. These limits are set for both internal and external correspondence.

*A group of mailboxes in the Exchange Online Global Address List is counted as a single recipient by the system, but in personal groups, each recipient is counted separately.

Exchange Online customers who need to send correspondence by mail (for example, newsletters) should contact third-party providers of these services.

To prevent overconsumption system resources Exchange Online also limits the number of messages a user can send per minute to a maximum of 30 messages. If the limit is exceeded, Exchange Online will transmit the messages, but will adjust the delivery rate: they will be queued for sending on the server.

Understand what a Microsoft Exchange server is, how to configure it and how to work with it. This is a forwarding service emails. There is support for client protocols like POP3, SMTP, MAPI and IMAP. Integrates with Outlook. This program is used if you need to provide access to mail to several users at once. It is indispensable in organizations with big amount employees. But it will also come in handy in small companies.

The server allows you to collaborate with contacts, tasks and other mail services. You can create an email with your own domain.

Exchange server (ES) has many versions that were released at different times. Microsoft added new features to each of them. Or deleted it. For example, from the 2003 program, the developers removed support for instant messages. This utility will be discussed next. Setting up its other versions is functionally no different. Yes, and you can find out how to upgrade the Exchange 2003 schema to the latest one.

The program allows you to work with voice mail, faxes, and mobile devices. You can access the mail server from any computer if you have an Internet connection. Supports HTTP, POP3, SMTP, LDAP, IMAP 4, MAPI.

ES can interact with other Microsoft utilities: ActiveSync, Windows Mail and Outlook. The utility's operation is closely related to the Active Directory (AD) component.

In order for a computer to work properly with this program, it must have suitable characteristics. They depend on what load it will have and what type of connection you plan to use. Here system requirements for small companies:

• 64-bit architecture.
• 10 Gigabytes random access memory. Add 20 Megabytes for each new user.
• 30 GB of free hard drive space.
• 200 Megabytes of memory on the system disk.

Suitable specifications for different Exchange servers are listed on the official Microsoft website. Large organizations have different requirements for the mail server. You need several computers there.

Installation

To install and configure the utility, you first need to download a number of components and services.

• WWW Publishing.
• SMTP and NNTP.
• NET Framework
• Windows 2003 Support Tools (numbers vary by ES version).
• Administration tools.

If you have a disk or other storage device with Exchange server, run the installation from it. Or find the program on microsoft.com.

Microsoft official website

1. Enter your query into the search bar (it's on the top right).
2. Go to the "Downloads" section.
3. Open the page with the version you need.
4. Click the "Download" button.
5. Open the downloaded file. The data will be retrieved.

Before installing the ES server, you need to prepare AD. Active Directory contains most of the information that is associated with Exchange server 2003: contacts, accounts, configurations, attributes.

If you don't have a group managing the directory and don't plan on doing a large deployment, you can skip straight to the installer. He will be able to configure everything automatically. To work with AD, you need administrator rights.

• In the unpacked ES folder, find the setup.exe file.
• Open command line Windows.
• Enter the command “[Setup File Path] /PrepareSchema /IAcceptExchangeServerLicenseTerms”.

• Wait while the directory applies the necessary parameters.
• Next, you need to set the name of the organization for Microsoft Exchange server 2003. Write “[Path to the Setup file] /PrepareAD /OrganizationName:”Organization name” /IAcceptExchangeServerLicenseTerms”. The company name can only contain Latin characters, numbers, and dashes. It cannot be changed after installation.

• Wait again.

Now prepare the domains.

1. Enter the command “[Path to setup] /PrepareAllDomains /IAcceptExchangeServerLicenseTerms”.
2. To select a domain - “[Path to setup] /PrepareDomain: /IAcceptExchangeServerLicenseTerms”

The installer does all this automatically.

To see the result of the work, go to the AD Service Interfaces editor. Find "Schema". Select the "rangeUpper" property. In “ms-Ex-Verision-Pt” the value for Microsoft Exchange server should be written (this is not the 2003 version of the program; the values ​​can be found on the official Microsoft website).

Creation of domains

In order for ES to receive and send emails via POP3, SMTP, IMAP protocols, add users and work, you need to create a domain.

1. Log into the program console.
2. Go to Organization Configuration.
3. Open Hub Transport Server.
4. Section "Accepted Domains".
5. “Create domain” button.
6. In the window that opens, write a name. This could be the name of your company, area of ​​activity. Or all together in any combination.
7. Check the "Authorized Domain" option.
8. Open the Address Policies tab.
9. Click Create Policy (in the Actions list).
10. Write its name.
11. Add a "Users" container. To do this, click on the “Browse” button and specify the path to it.
12. Click “Next” until the window for setting up rules for email addresses appears.
13. Check "Select accepted domain".
14. Browse button.
15. Enter the domain you just made.
16. Confirm.

Exchange server 2003 can now handle internal email communications. That is, this type of resource allows employees to send letters to each other. To set the reception and sending of emails via IMAP, POP3 and SMTP protocols:

1. Go to “Hub Transport Server”.
2. "Send Connectors".
3. Under Actions, select Create Connector.
4. Write the name of the connector.
5. Enter your domain name.
6. Click Next.
7. In the next menu you need to specify which addresses mail will be sent to. If you want Microsoft server 2003 to work with all domains, write the symbol “*” (asterisk) in the “Address space” field.
8. “Next” again.
9. Select the "Use DNS MX records for automatic routing" option.
10. Click “Next” a few more times. And click “Create”.

Then you need to configure the reception of electronic correspondence from external sources:

1. Go to "Server Settings".
2. Open Transport Hub.
3. There are only two connectors: “Default” and “Client”. The first one is used to work with almost all domains, the second one is used for Outlook users. It blocks receiving messages from sources that have not passed authentication. And these are almost all the resources on the network.
4. Double-click the connector name. The properties menu will open.
5. In the “General” section, write the current domain name.
6. Go to the Permission Groups tab.
7. Check the "Anonymous users" box.
8. Section "Authentication".
9. Uncheck the "Verify Authenticity" option.

The program is configured and can work.

Settings

Now you can figure out how to select the Exchange account type (POP3, IMAP 4). Both protocols are connected to Client Access. In version 2003 - to IIS. Separate services are responsible for them.

Find one of them in the console list.

1. Open its properties.
2. For Startup Option, select Automatic.
3. Click "Run".
4. Go to Local - Server Settings - Client Access.
5. The "Protocol Name" list will show "POP3" and "IMAP 4". Open the properties of one of them.
6. You can specify the port numbers through which the program can connect the domain.
7. On the Authentication tab, configure your security settings. They depend on the settings that can be set on the user's computer.

In new Microsoft versions server (from 2013 and higher) settings are configured through ECP (Administration Center).

These protocols can accept electronic correspondence. Difference between them:

• In IMAP 4, emails reside on the server. To access them you need the Internet.
• POP3 stores messages on the recipient side (computer, mobile device), but at the same time removes them from the domain. Once you download them to your PC, they will disappear from the domain. This protocol has its advantages. But users usually prefer IMAP.

Creating mailboxes

To add users and mailboxes, you need domain administrator rights.

1. Launch the management console.
2. Expand "Mailbox Configuration in Recipient".
3. "Create a box."
4. Open the "Introduction" section.
5. Click "Mailbox".
6. For User Type, select New.
7. A page will open with information that must be entered: employee’s full name; login(loginname); password.
8. In the next window, you need to fill in the “Alias” field (usually the same as your login).
9. Download the mailbox database and its policy.
10. Confirm and click "Create".

In ES 2016 this is done like this:

1. Open the Administration Center (ECP).
2. Click on the “Recipients” button (it’s in the top left).
3. Click on "Mailboxes".
4. Expand the list with the same name. To do this, click on the arrow next to the “+” (Plus) symbol.
5. User Box option.
6. Open the Create page.
7. "New user".
8. Fill in the account owner information.
9. Save your changes.

After this, the mailbox can be connected to Outlook or another email program.

Administrator rights

Promoting a regular user to administrator is quite simple. But the list of actions depends on the version of the utility.

1. Click right click mouse to "My Computer".
2. Item "Management".
3. "Local users".
4. Click on "Groups".
5. Double click on “Administrators”.
6. "Add".
7. Select Search.
8. Find the user you need.

1. Login to the console.
2. "Configuration".
3. Click "Add Administrator".
4. Click on "Browse".
5. Select a user and give him a role.
6. Confirm.

1. In the console, expand "Toolbox".
2. Find the Jobs page.
3. Open the Access Control Editor.
4. Select the user (the ability to change user data must be unlocked).
5. "Registration" button.
6. "Administrator Roles"
7. Find "Manage Recipients". Open Details.
8. In the Members section, click Add.
9. Select a user and save.

1. In the Administration Center, go to Mail - Options - Manage.
2. Click on "Roles and Auditing".
3. Double-click on “Manage Recipients”.
4. "Add" button.
5. Select a user.
6. Click OK.

Outlook connection

1. Here's how to connect Outlook to your Exchange server:
2. Go to Control Panel.
3. Open the Mail menu under Accounts and Security.
4. "Accounts" button.
5. Click "Create".
6. Select a service and click Next.
7. Option "Manual settings".
8. Check the box to ES.
9. In the “Server” field, enter exchange[version].[domain].
10. In “Username” write your login.
11. Check the “Use caching” checkbox if you are going to access your mail from mobile devices.
12. In the window that opens, check the “Automatically detect state” box.
13. Go to the "Connection" tab.
14. Check the “Via HTTP” checkbox.
15. Click the "Proxy Server" button.
16. In the URL field, write exchange[version].[domain].
17. From the Authentication Method list, select NTLM Authentication.
18. Click OK.

It is not possible to create a connection if Outlook is running. Before setting up, you must close this program and end the processes associated with it.

Enhance Schema

Within one network, only one organization is accessible. You cannot use different ES in parallel. If you've already installed a mail resource, you can figure out how to upgrade your Exchange 2003 schema to 2007, 2010, 2013, or 2016. This is a fairly complex process to consider a large number of factors. Starting from installed programs, ending with the settings of each user. To migrate an ES program, you need to have a good understanding of it.

1. Download all updates for ES.
2. Expand the utility you are going to switch to. This must be done in this order: Client Access, Transport Hub, Messaging System, Mailboxes.
3. Place the old utility in the foreground. In place of client access, put the desired version.
4. Configure the hub transport and messaging system.
5. Move the boxes to the new server.
6. Update all AD services.

Another way. There is an interactive ES assistant at technet.microsoft.com. Go to this site, enter a query in the search bar and open the desired page. To pull up a diagram, click Local Deployment. Select the version you want to upgrade to. There is an environment update there.

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To set up mail you need:

1. Close Outlook if it is running.

2. Install the company certificate on your computer. To do this, run the certificate file. A window will open (Fig. 1)

Press the button "Install certificate" In all windows that open after this, you need to click “ Yes», « OK" And " Further" When the installation is completed in the window (Fig. 1), click " OK».

3. Go to Start/Control Panel/Mail. The mail management window will open (Fig. 2).

In this window you need to click " Accounts…" On the " Email» press « Create…».

If you already have an account, select it, click “Change” and go to point 4 of these instructions.

The window for creating a new account will open (Fig. 3).

Rice. 3

In the window that opens (Fig. 4), check the box next to the item “ Manually configure settings..." and press " Further».

Rice. 4

In the window that opens (Fig. 5), select “ Microsoft Excahnge Server" and press " Further».

Rice. 5

4. In the window that opens (Fig. 6) in the field “ Microsoft Excahnge Server» enter server address, in field " Username» your login and press the button " Other settings».

Rice. 6

In the window that opens (Fig. 7), select the tab “ Connection" Tick ​​" Connecting to Microsoft Exchange via HTTP" and press the button " Exchange Proxy Settings».

Rice. 7

In the window that opens (Fig. 8), enter in the address bar « server address» , check the boxes as shown in Fig. 9 and in the section " Authentication options..." choose " NTLM authentication" Click " OK».

Rice. 8

Returning to the window for adding an account (Fig. 6), click “ Further"(if there is a login/password entry window, then enter your login@msk and your password, check the “Save” box) and in the next window “Done”.

5. Open Outlook. Start checking mail. When prompted for a login/password, enter your login/password (the login is entered in the format your_login @domain) and check the “Save password” checkbox.

6. Run the file LmCompatibilityLevel2.reg attached to the letter (located in the files.rar archive)

In the window that opens (Fig. 9), click “ Yes».

Rice. 9

After this, you can use mail in the same way as on an office computer.

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