You can access these settings in the Settings application under the System -> Emails category.
Sets the character encoding used for emails sent by the system. By default, UTF-8 is used. It is recommended to leave the default encoding unless you encounter issues with extended characters in your emails.
Format used for email messages. You can choose between HTML and Plain text. If Both is selected and an email template has both formats defined, HTML will be used for the email text and plain text will be included as an attachment.
If checked,will be enabled. You can temporarily disable sending of emails by clearing this check box, e.g. when performing administration tasks.
Enable email queue
If enabled, the system uses an sending emails. This allows advanced email processing and resending of emails that are lost due to errors. If disabled, emails are sent directly to the SMTP server.when
Using the email queue is highly recommended when sending out large amounts of emails over a short amount of time (newsletters, email campaigns or other types of mass emails).
Sets the maximum number of emails that the system loads from the email queue in one batch when sending emails to SMTP servers. The emails are then distributed one-by-one to the available servers. If the specified value is smaller than the total amount of emails to be sent from the queue, the system loads a new batch and continues the process.
The value of the batch size affects the number and frequency of database queries. Set an appropriate value if you wish to optimize the email sending for your environment. If you set a very large batch size, the system needs to process a large volume of data at one time, which may consume a lot of memory. Using a smaller batch size increases the number and frequency of queries and may reduce the database performance.
This setting affects all sites in the system, so it is only available if the (global) option is selected from the Site drop‑down list.
Archive emails (days)
Sent emails will be stored by the email queue for the number of days specified here. Such emails may be viewed in the Email queue application on the Sent emails tab.
If set to 0, emails will not be archived.
Default SMTP server
The SMTP server specified here will be used as the default option when sending emails. Depending on the value selected in the Site drop‑down list, the server will either be dedicated to a single website, or will be designated as a global server (i.e. it will accept emails from all sites in the system and also handle emails that are not related to any specific website).
This field must contain the domain name or IP address of the server. If the connection to the server should use a different port than 25, please include it in the name. Enter localhost if you wish to use the server provided by your local machine.
You can define additional servers that will be used if this one is busy in the SMTP servers application.
SMTP server user
If the server requires authentication, you can enter the user name here.
SMTP server password
If the server requires authentication, you can enter the password here.
Note: After you enter and save a password, the field always displays 8 "masking" characters, even if the password is longer or shorter. This measure helps protect your password.
Indicates if the SMTP connection to the server should be secured by SSL. The server must be configured to use SSL in order for this to work.
Configuring sender ('from') email addresses
The system can be setup to use a variety of sender email addresses depending on the type of email notification. For a list of all configurable sender email addresses the system uses, see Configuring sender email addresses.
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