Example script to submit large attachments to EmailEngine

submit.sh

#!/bin/bash

# This example script submits large attachments
# Usage
# 1. Edit the variables below
# 2. Run the script
#   $ bash ./submit.sh

## EDIT THE FOLLOWING VALUES

# Base URL of EmailEngine (without ending slash)
EMAILENGINE_URL="https://emailengine.example.com"

# Email account to use to submit the email
EMAILENGINE_ACCOUNT_ID="my-email-account"

# EmailEngine's Access Token
EMAILENGINE_TOKEN="990db3b95f8b04ab1fc64583848482605d968403f65f6b1172b678bff3b98462a"

# Recipient's email address
RECIPIENT_ADDR="recipient@example.com"

# Path to the large attachment file
ATTACHMENT_PATH="./example.jpeg"

# Set to "false" to actually deliver the email, otherwise EmailEngine will return the final EML file instead
DRY_RUN=true

# This script will generate a JSON payload to submit and stores this into the following path
TMPFILE_PATH="./message.json"

## No need to edit below

# generate first part of the JSON
echo -n '{
  "to": [
    {
      "address": "'${RECIPIENT_ADDR}'"
    }
  ],
  "subject": "Large attachment test",
  "text": "Large attchment",
  "attachments": [
    {
      "filename": "'$(basename $ATTACHMENT_PATH)'",
      "content": "' > $TMPFILE_PATH
      
# add the large file as base64 string
openssl base64 -A -in $ATTACHMENT_PATH >> $TMPFILE_PATH

# add second part of the JSON
echo -n '",
      "encoding": "base64"
    }
  ],
  "dryRun": '${DRY_RUN}'
}' >> $TMPFILE_PATH

# Submit the payload to EmailEngine
curl -XPOST "${EMAILENGINE_URL}/v1/account/${EMAILENGINE_ACCOUNT_ID}/submit" \
  -H "Authorization: Bearer ${EMAILENGINE_TOKEN}" \
  -H "Content-Type: application/json" \
  -d @${TMPFILE_PATH}