> ## Documentation Index
> The index for all IBM Cloud docs is at: https://cloud.ibm.com/docs/llms.txt
> Use these files to discover more information as needed.

# IBM Cloud Email Delivery for Classic

SendGrid, IBM Cloud® email delivery service for Classic infrastructure, is a mail relay service. With this service, you can use a smart host to relay your outbound mail services.

## Get started

- [Getting started](https://cloud.ibm.com/docs/email-delivery?topic=email-delivery-getting-started-email-delivery&format=markdown)
- [About email delivery for Classic](https://cloud.ibm.com/docs/email-delivery?topic=email-delivery-about-email-delivery&format=markdown)

## How to

- [Configuring server-side email delivery service for Sendmail and SendGrid](https://cloud.ibm.com/docs/email-delivery?topic=email-delivery-Email-delivery-server-configuration-Sendmail-SendGrid&format=markdown)
- [Configuring server-side email delivery service for IIS MailEnable and SendGrid](https://cloud.ibm.com/docs/email-delivery?topic=email-delivery-Email-delivery-server-configuration-IISMailEnable-SendGrid&format=markdown)
- [Configuring server-side email delivery service for CentOS, Plesk, and Postfix](https://cloud.ibm.com/docs/email-delivery?topic=email-delivery-email-delivery-server-config&format=markdown)

## Help

- [FAQ for IBM Cloud Email Delivery for Classic](https://cloud.ibm.com/docs/email-delivery?topic=email-delivery-email-delivery-faq&format=markdown)