Basic email client using AWS SES + Spring + Kotlin

EmailClient.kt

package com.myapplication.email

import arrow.core.Either
import org.springframework.stereotype.Component
import software.amazon.awssdk.services.ses.SesClient
import software.amazon.awssdk.services.ses.model.Body
import software.amazon.awssdk.services.ses.model.Content
import software.amazon.awssdk.services.ses.model.Destination
import software.amazon.awssdk.services.ses.model.Message
import software.amazon.awssdk.services.ses.model.SendEmailRequest

@Component
class EmailClient(
    val awsEmailClient: SesClient
) {
    fun send(email: Email): Either<Throwable, String> {
        val destination = Destination.builder()
            .toAddresses(email.to)
            .build()

        val content = Content.builder()
            .data(email.body)
            .build()

        val sub = Content.builder()
            .data(email.subject)
            .build()

        val body = Body.builder()
            .html(content)
            .build()

        val msg = Message.builder()
            .subject(sub)
            .body(body)
            .build()

        val emailRequest = SendEmailRequest.builder()
            .destination(destination)
            .message(msg)
            .source(email.from)
            .build()
        return Either.catch {
            awsEmailClient.sendEmail(emailRequest).messageId()
        }
    }
}