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What I like most about Mailwarm is how consistent and reliable the warmup results have been over time. I’ve been using it for more than a year across multiple domains, and every time Mailwarm is active, my deliverability significantly improves, especially for cold outreach.
Their real-time spam score tracking feature is incredibly helpful because it gives you a measurable evolution of your domain’s health so you can adjust strategy proactively.
I also appreciate how easy it is to set up and integrate with different inboxes, and the warmup ramp-up feels natural and aligned with best practices instead of artificially inflated activity. Review collected by and hosted on G2.com.
The main downside is that once I stop using Mailwarm or pause the warmup schedule, my deliverability tends to decrease over time, which means I pretty much need to keep it running continuously.
I also wish the platform offered a bit more automation for managing multiple domains at scale, as switching between accounts can take time.
Finally, while the feature set is strong, I'd love to see deeper reporting and insights across mailbox providers (Gmail, Outlook, corporate domains) to fully understand placement breakdowns. Review collected by and hosted on G2.com.
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