# SMTP_RELAY_HEADER SMTP_RELAY_HEADER API Reference ## Retrieve By Id SMTP_RELAY_HEADER - [GET /rest/2.0/SMTP_RELAY_HEADER/{id}](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/smtp_relay_header/retrieve_by_id_smtp_relay_header.md): Get SMTP_RELAY_HEADER By Id ## Retrieve Filtered SMTP_RELAY_HEADER - [GET /rest/2.0/SMTP_RELAY_HEADER](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/smtp_relay_header/retrievefiltered_smtp_relay_header.md): Get record(s) using filters ## Save SMTP_RELAY_HEADER - [POST /rest/2.0/SMTP_RELAY_HEADER](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/smtp_relay_header/post_smtp_relay_header.md): Save SMTP_RELAY_HEADER ## Update SMTP_RELAY_HEADER - [PUT /rest/2.0/SMTP_RELAY_HEADER](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/smtp_relay_header/put_smtp_relay_header.md): Update SMTP_RELAY_HEADER ## Delete SMTP_RELAY_HEADER - [DELETE /rest/2.0/delete/SMTP_RELAY_HEADER](https://bp-api-docs-v3.redocly.app/demogm_03_06_2025_schema_edited/smtp_relay_header/delete_smtp_relay_header.md): Delete SMTP_RELAY_HEADER