SMTP · Coming soon

SMTP for apps that can't call an API

WordPress, legacy apps and devices send through SendNeo's SMTP relay with an API key as the password — the same checks, suppression list and logs as the API.

Create a free account Use the API today

What it will do

STARTTLS on ports 587 and 2587, implicit TLS on 465
AUTH PLAIN or LOGIN: username sendneo, password = a SendNeo API key
Up to 50 recipients and 10 MB of attachments per message
Every message shows up in Emails with its full event timeline

This is in development and not available yet. Everything else on the site works today.

Host:     smtp.sendneo.yorkermedia.com
Port:     587 (STARTTLS) · 465 (TLS)
Username: sendneo
Password: sn_live_••••••••

Transactional emails

Receipts, resets, OTPs and alerts from your app

Agent-ready (MCP)

Let Claude, Cursor or Codex send through your account

Quickstart

Your first email in five minutes