Multi-SMTP Setup Guide: How to Structure Your Sending Infrastructure for Better Deliverability

Author: MailClickConvert Team
Last Updated: February 24, 2026

Most teams start with a single SMTP relay and sending at lower volume campaigns, works for them without any obvious issues. However, over time, as campaigns expand and more traffic comes through the same path, delivery patterns begin to change. Delays happen more frequently and some campaigns affect others.

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Cold Email vs. Marketing Email: What’s the Difference and Why It Matters

Marketers often confuse cold email with email marketing. On the surface, both involve sending emails to prospects. But mix them up, and you’ll frustrate your audience, hurt your deliverability, and tank your results.

The truth is simple: cold email and marketing email serve different audiences, goals, and strategies. Let’s break down the difference.

 

What is Cold Email?

 

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