---
title: "Why does one campaign enter the queue while running two campaigns simultaneously?"
description: "Why one campaign might enter the queue while running two campaigns simultaneously ?"
url: https://help.mailercloud.com/en/articles/79-why-does-one-campaign-enter-the-queue-while-running-two-campaigns-simultaneously
collection: "FAQ's"
updated: 2026-10-09
language: en
---

# Why does one campaign enter the queue while running two campaigns simultaneously?

Why one campaign might enter the queue while running two campaigns simultaneously ?

With Mailercloud, while running two email marketing campaigns simultaneously under the same sender domain, the second campaign's sending won't begin until the first campaign's sending has finished.