Difference between revisions of "Email server setup"

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== Preparations ==
Get the information of the outbound server
* Server address
* Mail account
Note that the SMTP server may be the same as the IMAP or POP server
== Setup in Tempus Serva backend ==
Go to: '''Designer > Modules > Configuration'''
Go to: '''Designer > Modules > Configuration'''


Configure the settings prefixed '''smtp'''
In the 'Text' search field, search for Server settings containing '''smtp'''


http://tempusserva.dk/mediawiki/index.php?title=Policy_reference#Mail_server
[[Policy_reference#Mail_server]]


{|
{|
!
!Alias
!Empty
!Empty
!Meaning  
!Meaning  
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|'''smtpServer'''
|'''smtpServer'''
|No
|No
|URL for the server
|URL for the outgoing SMTP server
|send.one.com
|send.one.com
|-
|-
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|'''smtpSystemEmail'''
|'''smtpSystemEmail'''
|No
|No
|Sender address on emails
|Sender address on email sent from the server
|someone@acme.com
|noreply@acme.com
|-
|-


|'''smtpUsername'''
|'''smtpUsername'''
|Yes
|Yes
|Account name
|Account name for sending emails
|someone
|noreply@acme.com
|-
|-


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|}
|}


Communication with the SMTP server can be tweaked using
Communication with the SMTP server can be tweaked using


{|
{|
!
!Alias
!Meaning  
!Meaning  
!Example
!Example
|-
|-
|'''smtpUseTLS'''
|Use TLS communication
|true
|-


|'''smtpMailDelay'''
|'''smtpMailDelay'''
|Throtling between each mail (milliseconds)
|Throtling between each mail (seconds)
|500
|500
|-
|-
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{|
{|
!
!Alias
!Meaning  
!Meaning  
!Example
!Example
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|}
|}
== Option: Sending from the server itself ==
It is possible to install a mail service directly on the server itself, allthough it is recommended to allways use dedicated servers.
  sudo yum install mailutils
  sudo yum install postfix
=== Avoid getting mails flagged as spam ===
Step 1 and 2 are only relevant for AWS instances
# Assign Elastic (permanent) IP to your mail server instance.
# Create for it A record in corresponding DNS zone
# Use the [https://aws.amazon.com/forms/ec2-email-limit-rdns-request AWS form] to request AWS to create a valid PTR (reverse DNS) record for that IP
# Set up [https://www.linuxbabe.com/redhat/set-up-spf-dkim-postfix-centos SPF, DKIM] and [https://www.linuxbabe.com/mail-server/create-dmarc-record DMARC records].

Latest revision as of 12:17, 10 December 2021

Preparations

Get the information of the outbound server

  • Server address
  • Mail account

Note that the SMTP server may be the same as the IMAP or POP server

Setup in Tempus Serva backend

Go to: Designer > Modules > Configuration

In the 'Text' search field, search for Server settings containing smtp

Policy_reference#Mail_server

Alias Empty Meaning Example
smtpServer No URL for the outgoing SMTP server send.one.com
smtpSystemEmail No Sender address on email sent from the server noreply@acme.com
smtpUsername Yes Account name for sending emails noreply@acme.com
smtpPassword Yes Password for the above account secret1234

Communication with the SMTP server can be tweaked using

Alias Meaning Example
smtpUseTLS Use TLS communication true
smtpMailDelay Throtling between each mail (seconds) 500
smtpSendRetries Number of attemts to send each mail 3


In order to test applications a testmode can be activated

Alias Meaning Example
smtpTestMode Activates the test mode true
smtpTestEmail Email that receives all emails when in testmode someone@acme.com

Option: Sending from the server itself

It is possible to install a mail service directly on the server itself, allthough it is recommended to allways use dedicated servers.

 sudo yum install mailutils
 sudo yum install postfix

Avoid getting mails flagged as spam

Step 1 and 2 are only relevant for AWS instances

  1. Assign Elastic (permanent) IP to your mail server instance.
  2. Create for it A record in corresponding DNS zone
  3. Use the AWS form to request AWS to create a valid PTR (reverse DNS) record for that IP
  4. Set up SPF, DKIM and DMARC records.