Lettermint ✉️🇪🇺 @lettermint.co · 10h🍃 𝗙𝗿𝗲𝘀𝗵𝗹𝘆 𝗠𝗶𝗻𝘁𝗲𝗱, 𝗦𝗲𝗽𝘁𝗲𝗺𝗯𝗲𝗿 𝗲𝗱𝗶𝘁𝗶𝗼𝗻 Our monthly roundup from Lettermint. September: an MCP server, scheduled emails, the Lettermint CLI, four new SDKs and a Terraform provider. Which one are you trying first? lettermint.co/blog/freshl... 000
Lettermint ✉️🇪🇺 @lettermint.co · 29/09/2026𝗟𝗲𝘁𝘁𝗲𝗿𝗺𝗶𝗻𝘁 𝗖𝗟𝗜, 𝗻𝗼𝘄 𝗶𝗻 𝘆𝗼𝘂𝗿 𝘁𝗲𝗿𝗺𝗶𝗻𝗮𝗹 💻 Send an email, check what happened to it, set up a domain or create a project. All from your terminal, no dashboard needed. Works with scripts, CI and AI agents like Claude Code. Available for macOS, Linux and Windows. ↓ lettermint.co/changelog/t... 000
Lettermint ✉️🇪🇺 @lettermint.co · 24/09/2026𝗟𝗲𝘁𝘁𝗲𝗿𝗺𝗶𝗻𝘁 𝗻𝗼𝘄 𝘀𝗽𝗲𝗮𝗸𝘀 𝗥𝘂𝘀𝘁, 𝗘𝗹𝗶𝘅𝗶𝗿 𝗮𝗻𝗱 𝗖# 📦 Building with .NET, Rust, Elixir or Symfony? You can now use our official SDK. Install it with NuGet, Cargo, Hex or Composer. Your Symfony code stays the same. ↓ lettermint.co/changelog/n...lettermint.coNew SDKs for .NET, Rust, Elixir and SymfonyWorking with .NET, Rust, Elixir or Symfony? Our new official SDKs make it easy to send email from your application. 010
Lettermint ✉️🇪🇺 @lettermint.co · 17/09/2026𝗦𝗰𝗵𝗲𝗱𝘂𝗹𝗲 𝗲𝗺𝗮𝗶𝗹𝘀 𝘄𝗶𝘁𝗵 𝗟𝗲𝘁𝘁𝗲𝗿𝗺𝗶𝗻𝘁 🗓️ Pass a date and time with your email and we send it when that moment arrives. Write your newsletter on Friday, let it go out Tuesday at 10:00, and enjoy your weekend in between. Reschedule or cancel right up until it goes out. ↓ lettermint.co/changelog/s... 000
Lettermint ✉️🇪🇺 @lettermint.co · 08/09/2026𝗟𝗲𝘁𝘁𝗲𝗿𝗺𝗶𝗻𝘁 𝗻𝗼𝘄 𝗵𝗮𝘀 𝗮𝗻 𝗠𝗖𝗣 𝘀𝗲𝗿𝘃𝗲𝗿 🤖 Connect Mistral, Claude, ChatGPT to your Lettermint account. Ask how a send went, compare campaign numbers, or fire off a test email without leaving your assistant. 𝗣𝗲𝗿𝘀𝗼𝗻𝗮𝗹 𝗱𝗮𝘁𝗮 𝗶𝗻 𝘆𝗼𝘂𝗿 𝗲𝗺𝗮𝗶𝗹𝘀 𝘀𝘁𝗮𝘆𝘀 𝗵𝗶𝗱𝗱𝗲𝗻 𝗯𝘆 𝗱𝗲𝗳𝗮𝘂𝗹𝘁. lettermint.co/changelog/t... 010
Lettermint ✉️🇪🇺 @lettermint.co · 28/08/2026𝗟𝗲𝘁𝘁𝗲𝗿𝗺𝗶𝗻𝘁 𝗶𝘀 𝗜𝗦𝗢 27001 𝗰𝗲𝗿𝘁𝗶𝗳𝗶𝗲𝗱 🎉 BIG NEWS. Our entire European email platform now meets ISO/IEC 27001:2022, confirmed by an independent auditor. The confetti has been deployed. Try it yourself and read more on the blog. ↓ lettermint.co/blog/letter... 031
Lettermint ✉️🇪🇺 @lettermint.co · 24/08/2026𝗪𝗲𝗯𝗵𝗼𝗼𝗸𝘀 𝗳𝗼𝗿 𝘆𝗼𝘂𝗿 𝘄𝗵𝗼𝗹𝗲 𝘁𝗲𝗮𝗺 🪝 One webhook used to mean one route. Now you pick the scope: your whole team, a few projects, or single routes. Every payload tells you where the event came from. Existing webhooks keep working as-is. ↓ lettermint.co/changelog/w...lettermint.coSet up webhooks for your whole team, multiple projects, or single routesDecide how broadly your webhooks apply, from a single route to your whole team. No more separate webhook for every route. 000
Lettermint ✉️🇪🇺 @lettermint.co · 19/08/2026𝗬𝗼𝘂𝗿 𝘀𝘂𝗽𝗽𝗿𝗲𝘀𝘀𝗶𝗼𝗻 𝗹𝗶𝘀𝘁 𝗰𝗮𝗻 𝗺𝗼𝘃𝗲 𝘁𝗼 𝗘𝘂𝗿𝗼𝗽𝗲 𝘁𝗼𝗼 📥 More teams are moving their email from US providers to Europe. Import your hard bounces and opt-outs in bulk with a CSV, so you never mail someone who already opted out. ↓ lettermint.co/changelog/i... 010
Lettermint ✉️🇪🇺 @lettermint.co · 17/08/2026𝗠𝗮𝗻𝗮𝗴𝗲𝗱 𝗗𝗞𝗜𝗠 𝗶𝘀 𝗹𝗶𝘃𝗲 🔑 Most DKIM keys get set up once and then sit untouched for years. From now on we rotate yours every six months. Two CNAME records, no interruption to your sending, nothing on your end. ↓ lettermint.co/changelog/m... 021
Lettermint ✉️🇪🇺 @lettermint.co · 06/08/2026𝗘𝗻𝗳𝗼𝗿𝗰𝗲𝗱 𝗧𝗟𝗦 𝗶𝘀 𝗹𝗶𝘃𝗲 🔒 We encrypt the connection to the receiving server whenever it supports TLS. If it doesn't, your email goes out unencrypted. Now you can require it instead. No TLS, no delivery. Set it per route or per message. ↓ lettermint.co/changelog/s... 000
Lettermint ✉️🇪🇺 @lettermint.co · 30/07/2026🍃 𝗙𝗿𝗲𝘀𝗵𝗹𝘆 𝗠𝗶𝗻𝘁𝗲𝗱, 𝗝𝘂𝗹𝘆 𝗲𝗱𝗶𝘁𝗶𝗼𝗻 Our monthly roundup from Lettermint. July: custom roles and permissions, IP allowlists for API tokens, and a toggle that stops out-of-office replies. Which one do you need most? lettermint.co/changelog/f... 030
Lettermint ✉️🇪🇺 @lettermint.co · 28/07/2026lettermint.co/changelog/r...lettermint.coSecure your API tokens with an IP allowlistAn extra layer of security on your API tokens protects your sending at IP level. You decide which servers are allowed to send. 000
Lettermint ✉️🇪🇺 @lettermint.co · 28/07/2026𝗜𝗣 𝗮𝗹𝗹𝗼𝘄𝗹𝗶𝘀𝘁 𝗳𝗼𝗿 𝗔𝗣𝗜 𝘁𝗼𝗸𝗲𝗻𝘀 🔒 An API token doesn't care where you use it. Now you can make it care. Add the IP addresses you send from and the token stops working anywhere else. Small change, better security. 111
Lettermint ✉️🇪🇺 @lettermint.co · 27/07/2026lettermint.co/changelog/g...lettermint.coGive team members and clients exactly the right access (RBAC)Create your own roles and decide per team member or client what they can see and do. Role-based access control (RBAC) is now available. 000
Lettermint ✉️🇪🇺 @lettermint.co · 27/07/2026𝗡𝗲𝘄: 𝗿𝗼𝗹𝗲-𝗯𝗮𝘀𝗲𝗱 𝗮𝗰𝗰𝗲𝘀𝘀 𝗰𝗼𝗻𝘁𝗿𝗼𝗹 (𝗥𝗕𝗔𝗖) 🔐 Two roles was never enough. Starting today you create your own roles, pick the exact permissions, and limit access to specific projects. Running an agency? Invite a client who only sees the stats of their own project. What role will you create first? ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 05/07/2026✉️ 𝗣𝗹𝗮𝗶𝗻 𝘁𝗲𝘅𝘁 𝗳𝗮𝗹𝗹𝗯𝗮𝗰𝗸 𝗶𝘀 𝗵𝗲𝗿𝗲 Keep forgetting the plain text version of your emails? We got you. Turn on the fallback and we generate it from your HTML. Spam filters check for it, so it helps your emails land in the inbox. Your own version stays untouched. Read more↓ 110
Lettermint ✉️🇪🇺 @lettermint.co · 30/06/2026🍃 𝗙𝗿𝗲𝘀𝗵𝗹𝘆 𝗠𝗶𝗻𝘁𝗲𝗱 𝗶𝘀 𝗵𝗲𝗿𝗲 Our new monthly roundup from Lettermint. June shipped a lot: a brand new dashboard, passkey login, the Team API in our SDKs and WP-CLI for the WordPress plugin. Plus a stack of smaller fixes. What should we build next? ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 29/06/2026𝗪𝗣-𝗖𝗟𝗜 𝗶𝘀 𝗵𝗲𝗿𝗲 𝗳𝗼𝗿 𝗼𝘂𝗿 𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀 𝗽𝗹𝘂𝗴𝗶𝗻 ⚡ Run a lot of client sites? Set up Lettermint from the command line and bake it into your scripts. No clicking through wp-admin on every site. Plus wp-config support and log retention. How many WordPress sites do you manage? ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 23/06/2026🔐 𝗣𝗮𝘀𝘀𝗸𝗲𝘆𝘀 𝗮𝗿𝗲 𝗵𝗲𝗿𝗲 You can now log into Lettermint without a password. Use the same fingerprint, face or PIN that unlocks your phone or laptop. Have you switched to passkeys yet? ↓ 110
Lettermint ✉️🇪🇺 @lettermint.co · 15/06/2026You can now hide the preview and raw source of sent emails, per project or route. Reversible, and delivery isn't affected. How do you keep sensitive email content out of view for your team? ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 15/06/2026🔒 𝗛𝗶𝗱𝗲 𝗲𝗺𝗮𝗶𝗹 𝗰𝗼𝗻𝘁𝗲𝗻𝘁 Invoices, account details, patient records. Some of what you send through Lettermint is too sensitive for your whole team to see in the dashboard. 100
Lettermint ✉️🇪🇺 @lettermint.co · 08/06/2026𝗧𝗲𝗮𝗺 𝗔𝗣𝗜 𝗻𝗼𝘄 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝗶𝗻 𝗼𝘂𝗿 𝗦𝗗𝗞𝘀 🧩 Our SDKs are now on v2 with full Team API support. Manage domains, projects and webhooks right from your code. Available for Node.js, PHP, Python, Go and Java. Read the full changelog ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 21/05/2026𝗪𝗼𝗿𝗱𝗣𝗿𝗲𝘀𝘀 𝟳.𝟬 𝗶𝘀 𝗵𝗲𝗿𝗲! 🎉 Congrats to the #WordPress team on a huge milestone. Our Lettermint plugin is updated and ready for 7.0. Grab it from the plugin directory. wordpress.org/plugins/let...wordpress.orgLettermintProfessional email delivery for WordPress. Seamlessly integrates with wp_mail() to send emails through Lettermint. 020
Lettermint ✉️🇪🇺 @lettermint.co · 07/05/2026𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗧𝗵𝘂𝗿𝘀𝗱𝗮𝘆 📚 Ready to step up your email marketing? Mailcoach by Spatie is a European platform for newsletters, automations and transactional emails. Lettermint is now available as a mailer. Pick it in the settings, add your API token and you're good to go. 110
Lettermint ✉️🇪🇺 @lettermint.co · 04/05/2026𝗟𝗲𝘁𝘁𝗲𝗿𝗺𝗶𝗻𝘁 𝗻𝗼𝘄 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝗶𝗻 𝗠𝗮𝗶𝗹𝗰𝗼𝗮𝗰𝗵 📬 Mailcoach now supports Lettermint as a mailer. Set it up and your newsletters, automations and marketing emails go through Lettermint. Both European companies, one connection for all your email. lettermint.co/changelog/l... 020
Lettermint ✉️🇪🇺 @lettermint.co · 29/04/2026🔗 lettermint.co/changelog/e...lettermint.coTurn email tracking on or off per individual emailTurn email tracking on or off per individual email. Decide yourself when open and click tracking is active, independent of your route settings. 000
Lettermint ✉️🇪🇺 @lettermint.co · 29/04/2026𝗧𝘂𝗿𝗻 𝗲𝗺𝗮𝗶𝗹 𝘁𝗿𝗮𝗰𝗸𝗶𝗻𝗴 𝗼𝗻 𝗼𝗿 𝗼𝗳𝗳 𝗽𝗲𝗿 𝗶𝗻𝗱𝗶𝘃𝗶𝗱𝘂𝗮𝗹 𝗲𝗺𝗮𝗶𝗹 🔒 Override your route settings per email. Useful when not every recipient has given consent for tracking. Especially relevant now CNIL published its recommendation on tracking pixels. Read the full changelog ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 02/04/2026lettermint.co/knowledge-b...lettermint.coHow to send a newsletter with Listmonk and Lettermint?Send your own newsletter with Listmonk and Lettermint. This guide walks you through connecting Listmonk to Lettermint for email delivery. 000
Lettermint ✉️🇪🇺 @lettermint.co · 02/04/2026𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗧𝗵𝘂𝗿𝘀𝗱𝗮𝘆 📚 Listmonk is a free, open source newsletter tool you can host yourself. No subscriber limits, no monthly fees. Since v6.1.0, Lettermint is available as a preset. Select it, enter your API token and start sending newsletters through European infrastructure. 100
Lettermint ✉️🇪🇺 @lettermint.co · 14/03/2026𝐇𝐚𝐩𝐩𝐲 𝐏𝐢 𝐃𝐚𝐲! 🔢 Worried your Pi calculation won't fit in an email? With Lettermint you can send emails up to 25MB. That's room for over 26 million digits of Pi! π #piday #internationalpiday 020
Lettermint ✉️🇪🇺 @lettermint.co · 03/03/2026𝗘𝗺𝗮𝗶𝗹 𝘀𝘁𝗮𝘁𝗶𝘀𝘁𝗶𝗰𝘀 𝗻𝗼𝘄 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝘃𝗶𝗮 𝘁𝗵𝗲 𝗦𝘁𝗮𝘁𝘀 𝗔𝗣𝗜 📊 Retrieve email statistics directly via the API. Track sent, delivered, bounces, opens, clicks and more. Per day or as a total. Per project or team-wide. Read the full changelog ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 25/02/2026🔗 lettermint.co/changelog/w...lettermint.coReceive a weekly overview in your inbox with Weekly ReportsAutomatically receive a weekly email report with your sending statistics, bounces, open rates and more. Always up to date without having to log in. 000
Lettermint ✉️🇪🇺 @lettermint.co · 25/02/2026𝗪𝗲𝗲𝗸𝗹𝘆 𝗥𝗲𝗽𝗼𝗿𝘁𝘀 𝗻𝗼𝘄 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 📬 9:00 Monday morning. A summary of your email performance lands in your inbox. Sent, delivered, bounced, open rates, click rates and more. Enable it per team and stay informed without logging in. Read the full changelog ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 19/02/2026From authentication to content to sender reputation. Here's our full guide: lettermint.co/knowledge-b...lettermint.coWhy are my emails going to spam? Causes and solutionsYour emails keep landing in the spam folder, but you're not sure why. Learn the most common causes and what you can do to reach the inbox again. 000
Lettermint ✉️🇪🇺 @lettermint.co · 19/02/2026𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗧𝗵𝘂𝗿𝘀𝗱𝗮𝘆 📚 "Why are my emails going to spam?" It's one of the most common questions in email deliverability. Could be a DNS record you forgot. Content that triggers spam filters. Or a blacklist you didn't know about. We break down the 8 most common causes and how to fix each one ↓ 110
Lettermint ✉️🇪🇺 @lettermint.co · 09/02/2026🔗 lettermint.co/changelog/j...lettermint.coJava SDK now availableSend emails from your Java applications with our official Java SDK. Available on Maven Central, integrate via Maven or Gradle. 000
Lettermint ✉️🇪🇺 @lettermint.co · 09/02/2026𝗝𝗮𝘃𝗮 𝗦𝗗𝗞 𝗻𝗼𝘄 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 ☕ Send transactional and broadcast emails from your Java applications. Available on Maven Central, integrate via Maven or Gradle. Read the full changelog ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 05/02/2026Learn what headers mean and how to view them in Gmail, Outlook, Apple Mail and more: lettermint.co/knowledge-b... 000
Lettermint ✉️🇪🇺 @lettermint.co · 05/02/2026𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗧𝗵𝘂𝗿𝘀𝗱𝗮𝘆 📚 Every email contains more than just the visible text. Behind the scenes, there's data called email headers. They show who sent the message, when it was sent, which servers handled it and whether authentication checks passed. ↓ 100
Lettermint ✉️🇪🇺 @lettermint.co · 29/01/2026🔗 lettermint.co/knowledge-b...lettermint.coWhat is the List-Unsubscribe header in newsletters and marketing emails?The List-Unsubscribe header lets recipients unsubscribe with one click. Learn how it works, why Gmail and Yahoo require it, and how to set it up. 020
Lettermint ✉️🇪🇺 @lettermint.co · 29/01/2026𝗞𝗻𝗼𝘄𝗹𝗲𝗱𝗴𝗲 𝗧𝗵𝘂𝗿𝘀𝗱𝗮𝘆 📚 Ever noticed that "Unsubscribe" button next to the sender in Gmail? That's the List-Unsubscribe header. Since June 2024, Gmail and Yahoo require it for newsletters and marketing emails. No header = spam folder. The good news? Lettermint adds it automatically. ↓ 120
Lettermint ✉️🇪🇺 @lettermint.co · 20/01/2026🔗 lettermint.co/changelog/e...lettermint.coTrack email performance with open tracking and click trackingGain insight into email performance with email tracking. View open rates and click rates with open tracking and click tracking. Privacy-first and GDPR-compliant. 010