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Email — Raw Multi-Recipient
Raw multi-recipient email extension for Caffeine AI.
Overview
This skill adds support for sending emails with multiple to, cc, and bcc recipients. Not suitable for bulk service emails (recipients see each other).
Backend
This extension is for sending an email with support for multiple to, cc and bcc addresses.
- This should NOT be used for sending service emails to multiple users because each recipient will see all the other recipients listed which would typically be a breach of user privacy.
For sending an email
- This extension depends on the extension-email for sending emails.
- Use the sendRawEmail function.
- It returns a SendResult which is #ok if the email is sent successfully otherwise #err(error) with the error text.
- There can be a maximum of 50 recipients in total
- Each recipient receives the same email
mo:caffeineai-email/emailClient.mo
module {
public type SendResult = {
#ok;
#err : Text;
};
public func sendRawEmail(
fromUsername : Text,
to : [Text],
cc : [Text],
bcc : [Text],
subject : Text,
htmlBody : Text,
) : async SendResult;
};Example usage for sending an email reminder to meeting attendees.
motoko
import Runtime "mo:core/Runtime";
import EmailClient "mo:caffeineai-email/emailClient";
actor {
public func sendMeetingReminder(
meetingSubject : Text,
meetingTime : Text,
confirmedAttendeeEmails : [Text],
tentativeAttendeeEmails : [Text],
) : async () {
let result = await EmailClient.sendRawEmail(
"no-reply",
confirmedAttendeeEmails,
tentativeAttendeeEmails,
[],
meetingSubject,
"Reminder the meeting will start at " # meetingTime,
);
switch (result) {
case (#ok) {};
case (#err(error)) {
Runtime.trap("Failed to send meeting reminder email: " # error);
};
};
};
};