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SME Server:Documentation:User Manual:Chapter2 (view source)

Revision as of 13:24, 29 April 2021

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→‎Configuring an email client
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===Configuring an email client===
 
===Configuring an email client===
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{{WIP box}}
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Your email client application (Outlook, Thunderbird etc) requires setting up with information about your email accounts: how to route outgoing email and credentials required to pick up your incoming email. This information is usually entered in the "preferences" or "options" section of the email client.  
 
Your email client application (Outlook, Thunderbird etc) requires setting up with information about your email accounts: how to route outgoing email and credentials required to pick up your incoming email. This information is usually entered in the "preferences" or "options" section of the email client.  
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The mail client may offer you the choice between POP3 and IMAP operation modes.
 
The mail client may offer you the choice between POP3 and IMAP operation modes.
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If you choose POP3 email service:
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{{warning box|In general we strongly recommend that you use IMAPs which is a much more modern protocol, but POP is supported if you have no other choice}}
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Enable POP3 protocol: Typically, to enable the POP3 protocol for incoming email, you click on a POP3 checkbox or select POP3 from a pull-down menu in the section of your email application dedicated to the incoming mail server.
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Disable IMAP protocol: To disable the IMAP protocol for outgoing mail (not all email client applications have IMAP protocol) click the IMAP checkbox "off".
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'''If you choose POP3 email service:'''<br />
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* Enable POP3 protocol: Typically, to enable the POP3 protocol for incoming email, you click on a POP3 checkbox or select POP3 from a pull-down menu in the section of your email application dedicated to the incoming mail server.
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* Disable IMAP protocol: To disable the IMAP protocol for outgoing mail (not all email client applications have IMAP protocol) click the IMAP checkbox "off".
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* Delete read email from server: We recommend you configure your pop3 email client application to delete each message from the server when it has been downloaded to your client application. To do this, click off the checkbox marked "leave mail on server" or click on the checkbox marked "delete mail from server".
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Delete read email from server: We recommend you configure your pop3 email client application to delete each message from the server when it has been downloaded to your client application. To do this, click off the checkbox marked "leave mail on server" or click on the checkbox marked "delete mail from server".
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'''If you choose IMAP email service:'''<br />
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If you choose IMAP email service:
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* Enable IMAP protocol: Typically, to enable the IMAP protocol for incoming email (note that not all email client applications offer IMAP support) you click on the IMAP checkbox or select IMAP from a pull-down menu in the section of your email client application dedicated to the incoming mail server.
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Enable IMAP protocol: Typically, to enable the IMAP protocol for incoming email (note that not all email client applications offer IMAP support) you click on the IMAP checkbox or select IMAP from a pull-down menu in the section of your email client application dedicated to the incoming mail server.
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* Disable POP3 protocol: To disable the POP3 protocol for outgoing mail, click the POP3 checkbox "off".
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Disable POP3 protocol: To disable the POP3 protocol for outgoing mail, click the POP3 checkbox "off".
      
The images below show you the setup sequence in the Mozilla Thunderbird mail client.  
 
The images below show you the setup sequence in the Mozilla Thunderbird mail client.  
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First you choose Preferences from the Edit menu and click on Mail Servers as shown in:
 
First you choose Preferences from the Edit menu and click on Mail Servers as shown in:
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[[Image:thunderbird_prefs_email.png]]
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[[Image:ScreenshotAccountSettings.jpg‎ ]]
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====IMAP versus POP3 email====
 
====IMAP versus POP3 email====
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There are two common standards for email management, IMAP and POP3. Your server supports both protocols. You will need to select the protocol that is right for your organization.
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There are two common standards for email management, IMAP and POP3. Your server supports both protocols. You will need to select the protocol that is right for your organization, although IMAP is favoured for almost all situations.
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POP3 is the earlier, better-known email protocol. POP3 was designed to permit on-demand retrieval to a single client machine. Email is stored on the mail server until you retrieve it, at which time it is transferred over the network to your desktop machine and stored in your email box there.
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IMAP email, is designed to permit interactive access to multiple mailboxes from multiple client machines. You manage your email on the mail server over the network. You read your email over the network from your desktop, but the email is not stored on your desktop machine - rather, it is permanently stored and managed on the server.
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Benefits of POP3: Even when you are not connected to your network, you have access to the email stored on your desktop.
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'''Benefits of IMAP:''' You can access all of your new and stored email from any machine connected to a network. Because all employee email is stored on the server, backup of email is easily accomplished.
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Drawbacks of POP3: POP3 was not originally intended to support users accessing and managing their email from remote systems. Because your email is stored on your desktop, setting up remote access of your email when you are at a different computer can be complex.
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IMAP allows better overall management of email across a number of end user devices. Whatever you do on one, is reflected to all others, even adding new folders and moving messages to archive folders. eg you can send on a workstation and see all your sent messages on the phone and so on.
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IMAP email, in contrast, is designed to permit interactive access to multiple mailboxes from multiple client machines. You manage your email on the mail server over the network. You read your email over the network from your desktop, but the email is not stored on your desktop machine - rather, it is permanently stored and managed on the server.
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Whatever email you send or receive, folder changes etc at any email client including workstations, phones, remote workstations and even webmail (accessed via web browser from home or anywhere), will all show the same. You can set the email clients to retain local copies of messages if that is important.
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Benefits of IMAP:  You can access all of your new and stored email from any machine connected to a network.  Because all employee email is stored on the server, backup of email is easily accomplished.
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'''Drawbacks of IMAP:''' If you are not connected to a network, new and remote stored email messages are not available to you.(stored emails can be solved with current email clients for desktop - i.e. Thunderbird option to cache the mails for offline working - some clients for mobile devices do this also, practically you'll have the last snapshot from the moment when you were online )
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Drawbacks of IMAP:  If you are not connected to a network, new and stored email messages are not available to you.
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POP3 is an earlier and ageing email legacy protocol. POP3 was designed to permit on-demand retrieval to a single client machine. Email is stored on the mail server until you retrieve it, at which time it is transferred over the network to your desktop machine and stored in your email box there.
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'''Benefits of POP3:''' Even when you are not connected to your network, you have access to the email stored on your desktop.
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'''Drawbacks of POP3:''' POP3 was not originally intended to support users accessing and managing their email from remote systems. Because your email is stored on your desktop, setting up remote access of your email when you are at a different computer can be complex.
    
===Configuring Your Web Browser===
 
===Configuring Your Web Browser===
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Under certain circumstances, using a proxy server can improve the perceived performance of your network. The server includes HTTP, FTP and Gopher proxy servers. Normally, we recommend these be disabled in your browser.
 
Under certain circumstances, using a proxy server can improve the perceived performance of your network. The server includes HTTP, FTP and Gopher proxy servers. Normally, we recommend these be disabled in your browser.
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If you decided that you do want to use proxy servers [[*3]], you will need to enter the IP address or domain name of the proxy server (i.e. your server) into the configuration screens of your web browser. The port number you will need to enter to connect to the proxy server is 3128. This information is the same for HTTP, Gopher and FTP proxying.  
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If you decided that you do want to use proxy servers [[#3]], you will need to enter the IP address or domain name of the proxy server (i.e. your server) into the configuration screens of your web browser. The port number you will need to enter to connect to the proxy server is 3128. This information is the same for HTTP, Gopher and FTP proxying.  
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Alternatively your browser can find the proxy details for itself by entering http://proxy/proxy.pac into Automatic proxy configuration URL:
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Alternatively your browser can find the proxy details for itself by entering <nowiki>http://proxy/proxy.pac</nowiki> into Automatic proxy configuration URL:
    
The image below shows how a proxy server would be configured in Mozilla Firefox.
 
The image below shows how a proxy server would be configured in Mozilla Firefox.
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