What Are Pre-Warmed Mailboxes?
Pre-warmed mailboxes are email accounts that have already gone through a gradual warm-up process before being delivered to you. Instead of starting with a cold mailbox that has no sending history, these mailboxes have been used for sending and receiving emails in a controlled manner, making them ready for immediate cold outreach without triggering spam filters.
Why Use Pre-Warmed Mailboxes for Cold Outreach?
✅ 1. Higher Deliverability & Inbox Placement
Cold outreach campaigns often struggle with emails landing in spam due to new or inactive mailboxes lacking sender reputation. Pre-warmed mailboxes have an established sending history, reducing the chances of emails getting flagged as spam.
✅ 2. Faster Campaign Launch
Without pre-warmed mailboxes, warming up a new mailbox takes weeks before you can send at full capacity. With pre-warmed mailboxes, you can start sending right away, skipping the slow ramp-up phase.
✅ 3. Stronger Sender Reputation
Email providers trust mailboxes that have a consistent sending history. Pre-warmed mailboxes already have a reputation, ensuring your emails are seen as legitimate and improving overall email deliverability.
✅ 4. Avoids Google & Microsoft Sending Limits
New mailboxes often have strict sending restrictions, which gradually increase over time. Pre-warmed mailboxes bypass these early limitations, allowing for higher sending volumes sooner.
✅ 5. No Need for Manual Warm-Up Tools
Normally, warming up an email requires third-party warm-up tools or manual email exchanges. Pre-warmed mailboxes come ready-to-use, saving time and effort.
Pre-Warmed vs. Normal (Cold) Mailboxes
Feature | Pre-Warmed Mailboxes | Normal (Cold) Mailboxes |
Sending Reputation | Strong (already warmed up) | Low (needs warm-up) |
Spam Risk | Low (trusted by email providers) | High (can get flagged easily) |
Start Time | Instant - Ready for cold outreach | Slow - Requires weeks of warm-up |
Sending Limitations | Higher limits from day one | Restricted until warmed up |
Inbox Placement | More likely to land in inbox | Higher chance of landing in spam |
Setup Effort | Minimal - No manual work needed | Requires warm-up tools or manual effort |
How To Buy Pre Warmed Up Mailboxes In Zapmail?
Log in to your Zapmail account, and you’ll find a new tab labeled "Pre-Warmed Up." Simply navigate to it and then click the "Get Started" button
Next, you'll see a list of pre-warmed domains available for selection. You can either browse through the list or use the search option to find your preferred domain. Once you've made your selection, simply click the "Get Mailboxes" button.
Next, you'll see the mailboxes associated with the selected domain. These mailboxes are already warmed up and ready for immediate use.
Please note that purchasing all mailboxes for a selected domain is mandatory. While you have the option to update mailbox details, we strongly recommend keeping them as-is to preserve deliverability and maintain the sender reputation. Once you have checked all the details just click on proceed to pay.
After completing the payment, you can find all your pre-warmed mailboxes in the Mailboxes tab. You can also use the filter option to quickly view only the pre-warmed mailboxes.
To check all your prewarmed up mailbox orders you can navigate to your subscriptions section and there you will see a separate section for prewarmed up orders.
