The following information is useful when setting up sending E-Mails via SMTP from a client account.

Requirements

You will need the following settings:

  • The E-Mail address from which mails from the portal should be sent
  • The user name for logging into this email account
  • Password for the account
  • SMTP Server, but this can also be determined below

Determine SMTP Server

If you do not know the SMTP Server, then you can find this information using nslookup in a windows shell.

Start nslookup.

Change to a public DNS server with the following command:

server 8.8.8.8

Set the type of query to MX:

set q=MX

Search for the server, by entering the domain name:

jtel.de

The answer should be the DNS name of the mail server.

Settings Client Master Data

Microsoft Office 365

Please visit the following pages if you are using Microsoft Office 365:

Enable legacy authentication for Office 365 account

Create an Azure AD App with Graph permissions for Mail


The most important settings are:

SettingValue
E-Mail SenderThe E-Mail address of the account which should be used to send mails.
E-Mail Server

Usually, the following setting should suffice:

smtps:dns-name-of-mailserver

If SMTPS or Start-TLS is not supported by the mailserver, then use the DNS name of the mailserver without the smtps: prefix.

E-Mail UserEnter the name of the user used to login to the email account.
E-Mail PasswordSet the email account password here.
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