Email Address Internationalization (EAI) allows non-Latin-based characters in email
addresses when sending emails to and from Salesforce. You can choose whether emails containing a
mix of American Standard Code for Information Interchange (ASCII) and international email
addresses are sent as separate or single emails.
Required Editions
Available in: Salesforce Classic and
Lightning Experience
Available in: All editions
User Permissions Needed
To configure Email Address Internationalization:
Customize Application AND View Setup AND Email Administration
Before enabling EAI, review the considerations and prepare your Salesforce org for the
feature.
Note Orgs created in Summer ’20 or later have EAI enabled by default.
From Setup, in the Quick Find box, enter Email Address
Internationalization, and then select Email Address
Internationalization.
Select Allow international email addresses.
Select your Mixed Recipient Addresses setting.
Split—Emails sent from Salesforce containing ASCII and EAI email
addresses in the TO, CC, and BCC fields are split into two email messages. Delivery to the
ASCII email address recipients succeeds. International emails are delivered successfully as
long as the recipient’s Email Service Provider (ESP) and Mail Transfer Agent (MTA) support
EAI. This setting is the default.
Important If you choose to send email from
Salesforce using an EAI email address, selecting this option has no effect. A single email
is sent because of the EAI email address in the from field.
Allow—Emails sent from Salesforce containing ASCII and EAI email
addresses in the TO, CC, and BCC fields are sent as a single email. Delivery is only
successful for recipients whose mail servers support internationalized emails.
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