Lightmeter @lightmeter@mastodon.social

And multi-host support has just been merged into Lightmeter Control Center after more than two years in the backlog 😊 Soon you can monitor many mailservers from a single Lightmeter instance #Postfix #SMTP

Spam blacklisting is out of control, says Hacker News. Lightmeter to the rescue!:

✅ Monitoring of >100 RBLs
✅ Show blocked mail
✅ Advice on delisting
✅ Soon: customize RBLs checked

https://news.ycombinator.com/item?id=30222736 #mailops #rbls

We had a great talk with Dutch hosting company https://cloudcat.nl/ and are happy to see Lightmeter supporting them in enabling high-deliverability hosted email for non-profit and other organisations in the Netherlands 🐱❤️

Fresh interview by the EC about the challenges facing email, and how Lightmeter is helping: "When hosting email is as easy as hosting WordPress, then everyone can keep their private communications in a trustworthy place" https://www.ngi.eu/whos-ngi-sam-tuke-with-lightmeter/ #decentralized #dataSovereignty

We scanned the world's mailservers and found 92% of them running #OpenSource software - see what else was discovered in preliminary results just published https://lightmeter.io/mailmap-global-scan-preliminary-results/ #SMTP #nmap #postfix

Did you know that email greylisting can be applied at five different stages of delivery & processing? Today's new knowledgebase article explains which produces the fewest false positives #Greylisting #SMTP #AntiSpam https://lightmeter.io/knowledgebase/email-greylisting-what-why-and-how/

Behind every email is a trail of Delivery Status Notification (DSN) codes, recording success or failure. But the terms are tormenting: is DSN just a code, a message, an "Enhanced code" (ESC), or all of the above? Our new dictionary reveals all https://lightmeter.io/knowledgebase/dsn-dictionary-clarifying-codes-messages-and-bounces/ #smtp

Turns out 3m indie servers and 1m admins are good at keeping messages flowing. Ask your nearest email admin (don't ask Facebook) #resilience #facebookdown

If WhatsApp infrastructure were owned by users, not Facebook, then #FacebookDown could only affect one household at a time. Communicating with family and work is too important to be the job of one company. Decentralize now! #EmailFTW

When's the last time your mailboxes were down 5 hours? Time to show some love for ~1 million email admins who keep our inboxes flowing 24/7/365 😇 #facebookdown #smtp #linux

Lightmeter 1.9 released, introducing a new peer network for large-scale collaboration. How much better would email be if the servers that hosted them worked together instead of against each other? Let's find out 🤝 https://lightmeter.io/lightmeter-1-9-seeding-the-network/

Coming soon to Lightmeter: crowdsourced #mailserver automation - announcing the introduction of a new automated peer network, for improving mailserver security and performance. #Postfix #SMTP https://lightmeter.io/coming-soon-crowdsourced-mailops-automation/

Spam filtering is apparently now illegal in Texas. Senders who are blocked can sue for $10/msg up to $25K/day 🤯 It's supposed to protect freedom of speech 🧐 Via J.Levine/Mailop. #AntiSpam #Censorship https://blog.ericgoldman.org/archives/2021/09/texas-enacts-social-media-censorship-law-to-benefit-anti-vaxxers-spammers.htm

We used #GitLab since the start to host all the Lightmeter code because it's free-as-in-freedom - anyone can host their own #GitHub alternative, or have others host it for you (example: @Cloud68). Thanks to all our GitLab contributors! https://www.cnbc.com/2021/09/17/github-rival-gitlab-files-to-go-public-on-revenue-over-200-million.html

We've been awarded $10k in services by @OpenTechFund to keep communications infrastructure independent and trustworthy! 🌐 Running your #OpenSource mailstack is about to get easier ✨ https://lightmeter.io/lightmeter-awarded-support-by-open-technology-fund/

Help road test the latest improvements to Lightmeter #OpenSource monitoring for #Postfix and we'll thank you with $50, for up to 60 minutes of your time (PayPal, Amazon, or donation of your choice). Register in 30 seconds and make #MailOps better https://cloud.ura.design/apps/forms/Z93io75pQRniFrDt #SMTP #mta

The massive #Thunderbird 91 update just hit #Fedora repositories packed with features: 1⃣ Built-in PDF reader 2⃣ New mailbox setup wizard 3⃣ New attachments UI 4⃣ Better Linux font and input rendering (sweet relief!). This Thunderbird's electric ⚡️ https://blog.thunderbird.net/