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

Revision as of 22:05, 14 July 2022

1,702 bytes added ,  22:05, 14 July 2022
add table and add SMTP section
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{{WIP box}}
 
{{WIP box}}
   −
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 (e.g.: Outlook, Thunderbird, Evolution) 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.  
    
Most email clients require you to enter the following information:
 
Most email clients require you to enter the following information:
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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}}
 
{{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}}
   −
'''If you choose POP3 email service:'''<br />
+
==== IMAP versus POP3 email ====
 +
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.
 +
 +
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.
 +
 +
'''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.
 +
 +
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.
 +
 +
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.
 +
 +
'''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 )
 +
 +
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.
 +
 +
'''Benefits of POP3:''' Even when you are not connected to your network, you have access to the email stored on your desktop.
 +
 +
'''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.
   −
* 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.
+
==== '''Incoming POP3 email service:''' ====
 +
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.
 
* Disable IMAP protocol: To disable the IMAP protocol for outgoing mail (not all email client applications have IMAP protocol) click the IMAP checkbox "off".
 
* Disable IMAP protocol: To disable the IMAP protocol for outgoing mail (not all email client applications have IMAP protocol) click the IMAP checkbox "off".
    
* 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".
 
* 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".
 +
{| class="wikitable"
 +
|+Setting your POP3 account for username@domain.tld
 +
!
 +
!pop3s
 +
!pop3
 +
|-
 +
|server name
 +
| colspan="2" |domain.tld
 +
|-
 +
|Port
 +
|995
 +
|110
 +
|-
 +
|User Name
 +
| colspan="2" |username
 +
|-
 +
|connectivity security
 +
|SSL/TLS
 +
|startTLS
 +
|-
 +
|Authentication method
 +
| colspan="2" |normal password
 +
|}
   −
'''If you choose IMAP email service:'''<br />
+
==== '''Incoming IMAP email service:''' ====
−
 
   
* 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.
 
* 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.
 
* Disable POP3 protocol: To disable the POP3 protocol for outgoing mail, click the POP3 checkbox "off".
 
* Disable POP3 protocol: To disable the POP3 protocol for outgoing mail, click the POP3 checkbox "off".
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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:
   −
[[Image:ScreenshotAccountSettings.jpg‎ ]]
+
[[Image:ScreenshotAccountSettings.jpg‎ |581x581px]]
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Thunderbird should now be ready to send and receive email.
 
Thunderbird should now be ready to send and receive email.
 +
{| class="wikitable"
 +
|+Setting your IMAP account for username@domain.tld
 +
!
 +
!imaps
 +
!imap
 +
|-
 +
|server name
 +
| colspan="2" |domain.tld
 +
|-
 +
|Port
 +
|993
 +
|143
 +
|-
 +
|User Name
 +
| colspan="2" |username
 +
|-
 +
|connectivity security
 +
|SSL/TLS
 +
|startTLS
 +
|-
 +
|Authentication method
 +
| colspan="2" |normal password
 +
|}
   −
====IMAP versus POP3 email====
+
====Outgoing SMTP Email Service====
 
   
 
   
−
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.
+
There are 3 usual port for submitting an outgoing email. SME Server offers two of them.
−
+
 
−
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.
+
You can submit on port 25, which is also the regular SMTP port for email exchange between SMTP servers. This method will Require startTLS method after the initial clear connection in order to encrypt the login process and protect your password. SME Server allows you to use this method.
−
+
 
−
'''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.
+
The legacy 465 port offer implicit SSL encryption upon connection and is the default we suggest with SME. It is not considered a RFC compliant port, but is still used for historical reason in many places.
−
+
 
−
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.
+
The official submission port is 587, offers usually startTLS after initial clear connection, but does not accept any email without an actual login. SME Server does not offers this method.
−
+
{| class="wikitable"
−
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.
+
|+Setting your SMTP account for username@domain.tld
−
+
!
−
'''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 )
+
!smtps
−
+
!smtp
−
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.
+
|-
−
+
|server name
−
'''Benefits of POP3:''' Even when you are not connected to your network, you have access to the email stored on your desktop.
+
| colspan="2" |domain.tld
−
+
|-
−
'''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.
+
|Port
 +
|465
 +
|25
 +
|-
 +
|User Name
 +
| colspan="2" |username
 +
|-
 +
|connectivity security
 +
|SSL/TLS
 +
|startTLS
 +
|-
 +
|Authentication method
 +
| colspan="2" |normal password
 +
|}
    
===Configuring Your Web Browser===
 
===Configuring Your Web Browser===
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