ColdSMTP by GMass - Send unlimited cold emails from 1 account with no warm-up
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.
Free Email Verifier - The first free and accurate email verification service
Our email verification service validates your addresses before you send to your list. Email addresses are tested for syntax and accounts are tested for validity in real-time over SMTP. We also use AI to figure out first names from just email addresses.
Cold Email Warmup by GMass - A completely free cold email warm-up system
If you're sending cold emails you likely know that warming up a domain and Gmail account is an important step to maximizing Gmail's sending limits and increasing deliverability.
Here is a completely free warm-up system that works with any Gmail account.
