Sender > Features > Smtp

Scalable SMTP for Newsletters, Transactional & High-Volume Email

Use Sender.net’s built-in SMTP infrastructure to send any volume—from welcome emails to newsletters—with top-tier deliverability, secure authentication, and zero setup complexity.

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SMTP infrastructure you can trust

SPF, DKIM & DMARC authentication

Sender supports industry-standard email authentication to protect your domain reputation and improve inbox placement. Secure SMTP with TLS/SSL ensures safe, encrypted delivery for every message.

Shared and dedicated IP options

Use optimized shared IP pools for everyday sending or upgrade to a dedicated IP for higher volumes, ensuring consistent performance without throttling or unexpected delivery delays.

High deliverability & inbox placement

Sender continuously monitors IP reputation, follows best practices, and optimizes delivery across Gmail, Outlook, Apple Mail, and other major clients to ensure your emails reach the inbox.

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No Credit Card Required. Cancel Anytime.

Flexible SMTP sending for all your needs

Send everything through a single, reliable SMTP pipeline—newsletters, transactional emails, notifications, and automated workflows—all supported by Sender’s powerful deliverability infrastructure.

Marketing newsletters & campaigns

Send beautifully designed newsletters at scale using SMTP. Schedule messages, personalize content, and ensure consistent inbox placement to drive higher engagement and stronger subscriber relationships.

About email campaigns

Transactional emails & notifications

Deliver critical messages instantly—password resets, order confirmations, account alerts, and system updates—through fast, dependable SMTP designed for real-time communication.

About transactional emails

Event-driven automation, triggers & workflows

Automate messaging with behavior-based triggers, lifecycle events, and personalized flows. Send timely, relevant emails without manual work using Sender’s automation-ready SMTP backend.

About email automation

API + SMTP + Webhooks support

Track every message with event-level accuracy. Access SMTP delivery logs, monitor performance through API, and receive real-time updates on opens, clicks, and bounces via webhooks.

Email api

Simple SMTP setup

Connect your app, website, or backend in minutes using SMTP credentials. No server maintenance or complex configuration required—just plug in and start sending.

Bounce & spam monitoring

Sender automatically detects bounces, filters risky addresses, and suppresses spam-prone contacts to protect your reputation, maintain list hygiene, and prevent blocklist issues during SMTP sending.

Easy integrations with popular tools

Website integration is a breeze with Sender. Connect instantly with leading content management systems, CRMs, and ecommerce platforms, including Wordpress, PrestaShop, WooCommerce, Zapier, and more.

WordPress

WooCommerce