Send transactional and marketing emails via Mailtarget API. Manage sending domains, templates, API keys, and sub-accounts. Use when the agent needs to send emails, manage email templates, configure sending domains, or handle any email infrastructure task through Mailtarget (mailtarget.co). Supports HTML emails, attachments, click/open tracking, template-based sending with substitution data, CC/BCC, reply-to, and custom headers.

通过 Mailtarget API 发送交易性和营销性邮件。管理发送域名、模板、API 密钥和子账户。当代理需要发送邮件、管理邮件模板、配置发送域名或处理任何 Mailtarget（mailtarget.co）相关的邮件基础设施任务时使用。支持 HTML 邮件、附件、点击和打开跟踪、基于模板的发送与变量替换、抄送/密送、回复地址及自定义头部。