... Been wrestling with deliverability lately. Warmup, SPF/DKIM/DMARC, dedicated IPs vs shared, sending volume ramps. It's a deceptively deep rabbit hole. I'm curious what's actually working for people in 2026 versus

... Product Hunt Almost 6 years ago, @Mailwarm launched here. Back then, the idea was simple: help teams warm up their inboxes and build sender reputation before scaling email. That launch changed a lot for us. Mailwarm

... days ago, we launched mailX by mailwarm (YC S20) on Product Hunt. We finished #2 Product of the Day . And today, we re launching @Mailwarm

... Thami, CEO of Mailwarm (YC S20). In 2020, we launched Mailwarm

... game of reward shadows when others use it. Comment from Thami Benjelloun(@thamibenjelloun): To be honest, it s hard because creating and testing new features is also the fun part. @bengeekly We have seen it together recently. Recently, on Mailwarm , when we added the feature that lets users monitor spam score by email provider and adjust warmup toward one provider more than another. It was fun, it works very well, and it creates real value. But it also reminded ...

... mostly about trust signals. If your reputation, authentication, list quality, and sending behavior are weak, even a normal word can hurt you. If they re strong, one word won t kill your campaign. That s why we built Mailwarm 2.0 around reputation, monitoring, and expert review, not just avoid these words advice. Also, our Free Email Spam Word Checker can help to improve email deliverability by checking your email content with our free spam checker tool ...

... where the momentum is heading. It makes sense too, Anthropic's approach to agents and integrations feels more developer-native than what OpenAI has set up with the GPT store (similar to the stripe paypal situation). Curious how the Mailwarm integration is going. Are you finding it easier to build for Claude agents compared to other platforms? Comment from Alper Tayfur(@alpertayfurr): hello @matthew_goley I think Anthropic is clearly pulling ahead in developer and enterprise mindshare, especially with Claude ...

... Product Hunt is a platform where you trade time and feedback for visibility and feedback. And that's huuuuge for people who can't buy visibility but can invest their time. I was in this case when I built Mailwarm (YC S20) . Product Hunt helped us validate and find new customers. We went from $3K MRR to $8K MRR during launch week . That's when I understood how big PH can be for founders with no marketing budget. Recently ...

... Paris, every startup around was struggling with cold email deliverability and trying to get clients through email outreach. People kept asking us for help, and eventually it became a take my money and shut up situation So Mailwarm was built almost by accident. We launched it on Product Hunt 5 years ago, ended up #1 of the day, and that launch took us from ~$3k MRR to $10k MRR pretty quickly. Big lesson : sometimes your best startup idea ...

... product. You attract early users, feedback, and sometimes investors. Just from sharing the journey honestly. But there's a real downside that doesn't get talked about enough . When you share too early, you hand your roadmap to every competitor watching. And in 2026, with AI lowering the cost of building dramatically, a competitor

... improve our email inbox placement. What services do you recommend? Comment from Amrani Yasser(@amraniyasser): I ve tried a few email warmup tools over the past couple of years while working on cold outreach. Recently I ve been using Mailwarm ( https://mailwarm.com ) and it s been pretty solid for improving inbox placement. Mailwarm