K2Mailer
Affordable bulk email marketing with reliable deliverability
What it does
K2Mailer is the best unlimited email marketing platform for bulk senders, offering high deliverability, speed, automation and self-hosting.
K2Mailer combines email marketing with pre-send safeguards, deliverability controls, segmentation, automation, AI-assisted workflows, and campaign analytics.
K2Mailer brings audience targeting, pre-send safeguards, deliverability controls, automation, AI assistance, and campaign analytics into one guided workflow. Cheap bulk sending is easy to copy. Operational trust is harder. K2Mailer keeps audience eligibility, recipient preferences, sending setup, campaign checks, and delivery signals close to the workflow where they matter. Recipient preferences, suppressions, bounces, complaints, and campaign checks stay visible in the send workflow. Manage sending domains, servers, tracking configuration, throughput, verification, and suppression controls. Work with canonical contacts, multi-list memberships, segments, and individual-recipient targeting.…from k2mailer.com
Does the same job
all alternatives →More growth this month
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AstraPixels▲267A pixel-art solar system at its real current positions.
Growth · 29d ago · astrapixels.com

Launched alongside, August 2026
the whole month →- TL
Life & fun · 10d ago · louisabraham.github.io


- SA
Hello HN! I found that picking out plausible but diverse skin tones for my digital art and game development projects was kind of difficult, and I got curious about if there was a way to define a color space that made it easy. I've built a color picker and procedural generation algorithm based on the space as well as a bunch of other fun js features and demos throughout the page that use the equations. If you find it interesting, I have lots of explanations of how I built it and what properties the space has. The methodology might be a bit shaky, but hopefully the result is as helpful for…
Life & fun · Aug 2026 · toneyalexander.github.io


I trained a 125M-parameter transformer to autocomplete piano performances in real time (~108 notes/sec on an iPhone 15). The idea is basically GitHub Copilot or Tabnine, except instead of prompting it with code, you prompt it by playing a few notes on a MIDI piano. The model then continues what you played, entirely on-device. The app is free if anyone wants to try it. Happy to answer questions about the model, training, Core ML, or the many things that didn't work.
AI · 16d ago · simedw.com