config.example.json

{
    "fromEmail": "forwarder@your-domain.tld",
    "subjectPrefix": "",
    "allowPlusSign": true,
    "forwardMapping": {
        "john@your-domain.tld": [
            "john.doe@some-other-domain.tld"
        ],
        "jane@your-domain.tld": [
            "jane.doe@some-other-domain.tld"
        ],
        "@your-domain.tld": [
            "john.doe@some-other-domain.tld",
            "jane.doe@some-other-domain.tld"
        ],
        "@": [
            "admin@some-other-domain.tld"
        ]
    },
    "s3": {
        "bucketName": "aws-mail-forwarder",
        "incoming": {
            "newPrefix": "in/new/",
            "spamVirusPrefix": "in/spam-virus/",
            "forwardedPrefix": "in/forwarded/",
            "failedPrefix": "in/failed/"
        },
        "outgoing": {
            "sentPrefix": "out/sent/",
            "failedPrefix": "out/failed/"
        }
    }
}