EAI Study

What is EAI

• RFC Definition
• How to allow EAI - our solution

Internationalized Email Installation

• Base Installation - Supports SMTPUTF8, SMTP Auth (unencrypted & TLS), imap/pop3 (unencrypted &TLS)
• Upgrade installation 1 - Configure Postfix to automatically add SMTPUTF8 when sending to EAI Address using Pipe Filter
• Upgrade installation 2- Configure Postfix to modify sender's email address when sending to Non-EAI enabled mail server using Pipe Filter
• Upgrade installation 3 - Multiple virtual domain support

Installation	LOCAL EAI	SEND TO NON-EAI AS EAI	RECEIVE EAI MAIL	REPLY TO EAI WITH NON-EAI MAIL CLIENT	REPLY TO EAI BY NON-EAI WEBMAIL	REPLY TO EAI BY MODIFIED WEBMAIL	RECEIVE/REPLY/SEND using Gmail as a Client
Base Installation	NO	NO	YES	NO	NO	YES	YES
Upgrade installation 1	NO	NO	YES	YES *	YES*	YES	YES
Upgrade installation 2	YES	YES	YES	YES*	YES*	YES	YES
Upgrade installation 3	-	-	-	-		YES	YES

 *This will work only if the Mail client will allow a NON-ASCII character or the NON-ASCII character email address will not become garbled.

List of EAI Enabled Mail Client

Outlook 2016   - (Base Installation)Send to EAI as NON EAI (address is copy pasted) - Yes - using Coremail Server as EAI (Receiving)
                 (Base Installation)Receive from EAI as NON EAI - Yes - using Coremail Server as EAI (Receiving)
                 (Base Installation)Reply From EAI as NON EAI - No (The EAI email address is garbled when received) using Coremail Server (Receiving)

List of EAI Enabled Webmail

As the time of writing, there are no Webmail that works.

NONE

NONE

Configuring Gmail to work as a EAI Client

Gmail is the best option to use as a Client.

Configuring Outlook 2016

 More Settings-> Outgoing Server -> Checked - My Outgoing server(SMTP) requires authentication
More Settings-> Advance -> POP3 110, SMTP 25 , Use the following type of encrypted connection TLS

List of Scripts

• Modified Squirrelmail
• EAI Filter Scripts