ColdSMTP by GMass
Send unlimited cold emails from 1 account with no warm-up
ColdSMTP by GMass launched on December 17, 2024 with 11 votes, #1,640 of 5,365 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 1 year on.
What it does
With ColdSMTP, the new sending server exclusively for cold outreach from GMass, you can now send unlimited cold emails from 1 — yes, just 1 — Gmail account. All without warm-up and without the risk of Google shutting you down.
GMass's new cold email sending server, made for high-volume outreach pros, with virtually unlimited messages from a single sending address.
To apply to use ColdSMTP, our cold email sending server, please fill out this form . Every day — EVERY day — I see rookies and experts alike posting on Reddit and Facebook groups about how they’re sinking hundreds, often thousands, of dollars into their cold email setup. And how they just killed a day setting up their mailboxes… so now, only six to eight weeks of warm-up to go and they’ll be sending their campaigns. This is a completely broken system that’s somehow become normalized. The whole point of cold email is it’s supposed to be a simple, cost-effective way to drive business at scale. The whole point of cold email is it’s supposed to be a simple, cost-effective way to drive business…from gmass.co
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Source: Product Hunt launch ↗
