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Nylas Mail VS Sortfully

Compare Nylas Mail VS Sortfully and see what are their differences

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Nylas Mail logo Nylas Mail

The Nylas Cloud API powers your application with email, calendar & contacts features. Built-in features for better email, calendar, and contact management.

Sortfully logo Sortfully

Auto-file your Outlook & Microsoft 365 mail by the organisation that sent it - once you've read it. Sortfully never reads your message bodies or attachments.
  • Nylas Mail Landing page
    Landing page //
    2023-09-16
  • Sortfully Dashboard
    Dashboard //
    2026-08-31
  • Sortfully Mappings View
    Mappings View //
    2026-08-31

Sortfully is an automatic filing service for Outlook and Microsoft 365. It moves each message into an Inbox subfolder, or tags it with a coloured category, based on the organisation that sent it. By default a message is only filed once you have read it, so new mail still lands in front of you and nothing disappears unseen. If you prefer, filing can happen instantly on delivery instead.

There is no AI in Sortfully. No model, no classifier, no LLM, and your mail is never sent to any AI service. Filing runs on deterministic rules you can read and edit: the sender's domain, your exact-match overrides, then Public Suffix List normalisation, so notifications.slack.com and hello@slack.com both land in one Slack folder, and .co.uk domains get correct names. You can group several domains into one folder, pin a domain to a folder you already have, exclude senders entirely, and choose move-or-tag per organisation. Every action is reversible.

Privacy is structural, not a promise. Sortfully never reads message bodies or attachments: the one code path allowed to call Microsoft Graph message endpoints uses a strict metadata field allow-list, and a CI gate fails the build if a content field ever appears. An optional detailed audit log records the subject line so you can see exactly what was filed; you can switch it off. Sortfully connects through delegated Microsoft Graph permissions only (Mail.ReadWrite, Mail.ReadWrite.Shared, MailboxSettings.Read), is a verified Microsoft publisher, and reads your existing inbox rules without ever modifying them. Tokens are encrypted at rest and you can disconnect at any time.

Optionally, a chunked, throttle-safe backlog cleanup sorts the mail you already have, with protected folders and a leave-recent-mail window so nothing current is touched.

Sortfully is built for Microsoft 365 first: individual mailboxes, shared mailboxes, and a Business plan with team management for firms. It is operated by a UK company, hosted in the EU.

Nylas Mail

Website
nylas.com
Pricing URL
Official Nylas Mail Pricing
$ Details
-
Platforms
-
Release Date
2013 January
Startup details
Country
United States
State
California
City
San Francisco
Founder(s)
Christine Spang
Employees
100 - 249
Edit details

Sortfully

Website
sortfully.app
Pricing URL
Official Sortfully Pricing
$ Details
paid Free Trial £5 / Monthly
Platforms
Web SaaS Outlook
Release Date
2026 August
Startup details
Country
United Kingdom
City
London
Founder(s)
Adam Harman
Employees
1 - 9
Edit details

Nylas Mail features and specs

  • Unified Inbox
    Nylas Mail allows users to manage multiple email accounts from different providers within a single interface, which improves efficiency and ease of use.
  • Customizability
    The platform offers extensive customization options, including third-party plugins and themes, enabling users to tailor their email experience to their specific needs.
  • Built-in Analytics
    Nylas Mail provides analytical tools that offer insights into email activity and performance, helping users optimize their email strategies.
  • Developer-Friendly
    The service features a comprehensive API and is open-source, making it an excellent tool for developers who want to build custom email experiences or integrate with other applications.
  • Cross-Platform Support
    Nylas Mail is compatible with various operating systems, including Windows, macOS, and Linux, making it accessible to a wide range of users.

Possible disadvantages of Nylas Mail

  • Cost
    The advanced features of Nylas Mail often come at a higher price point compared to other free or cheaper email clients, which could be a barrier for individual users or small businesses.
  • Resource Intensive
    Some users have reported that Nylas Mail can be resource-intensive, leading to slower performance on older or less powerful hardware.
  • Limited Offline Access
    While Nylas Mail does offer some offline functionality, it is not as robust as some competitors, which can be a drawback for users who need extensive offline access to their emails.
  • Learning Curve
    The extensive range of features and customization options can make Nylas Mail a bit overwhelming for new users, leading to a steeper learning curve.
  • Inconsistent Updates
    Users have occasionally noted that updates and new feature rollouts are inconsistent, which can lead to stability and reliability concerns.

Sortfully features and specs

  • Filing by sender organisation
    Mail is filed by the organisation that sent it, so every alias and subdomain from a company lands in one folder.
  • Move or tag per organisation
    Each organisation can be moved to an Inbox subfolder or tagged in place with a coloured category.
  • File after read
    By default nothing moves until a message has been read, so new mail never disappears unseen; instant filing on delivery is optional.
  • No AI
    No model, no classifier, no LLM; filing runs on deterministic rules you can read and edit, and mail is never sent to any AI service.
  • Content-Blind
    Message bodies and attachments are never read, enforced by a code-level allow-list and a CI gate, not just a policy.
  • Public Suffix list
    Public Suffix List normalisation gives correct names for .co.uk, .energy and hundreds of other endings.
  • Overrides and exclusions
    Group several domains into one folder, pin a domain to an existing folder, or exclude senders entirely; your rules always win.
  • Backlog cleanup
    Sorts the mail you already have in chunked, rate-limited passes, with protected folders and an option to leave recent mail in place.
  • Undo anything
    Every filing action is recorded and reversible from the dashboard or audit log.
  • Audit Log
    A record of every filing with sender, destination and mode; a detailed option records the subject line and can be switched off.
  • Shared Mailboxes
    Files shared mailboxes a delegate has access to, alongside personal ones.
  • Team Management
    The Business plan adds team management for firms running multiple mailboxes with multiple users.

Analysis of Nylas Mail

Overall verdict

  • Nylas Mail had a solid reputation for being a capable email client that offered advanced features appreciated by power users. However, it's important to note that Nylas Mail was discontinued and is no longer available. Users interested in similar features might consider alternative email clients like Mailbird, Spark, or Superhuman.

Why this product is good

  • Nylas Mail was known for its modern interface, powerful search capabilities, and support for multiple email services through a unified platform. It also offered features like tracking, scheduling, and syncing across devices, which were highly valued by users who needed robust email management tools.

Recommended for

    Nylas Mail was particularly well-suited for users who manage multiple email accounts and need enhanced functionality beyond basic email management, such as advanced search, email scheduling, and analytics. Since it's no longer available, users with similar needs should look for other modern email clients that offer these capabilities.

Nylas Mail videos

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Sortfully videos

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Category Popularity

0-100% (relative to Nylas Mail and Sortfully)

Nylas Mail

Sortfully

Email Automation
96 96%
Email Automation
4% 4
Inbox Management
0 0%
Inbox Management
100% 100
Email Management
96 96%
Email Management
4% 4
Email Productivity
95 95%
Email Productivity
5% 5

Questions & Answers

As answered by people managing Nylas Mail and Sortfully.

Why should a person choose your product over its competitors?

Sortfully's answer:

Most email organisers ask you to trust them: an AI classifier scores your mail and a privacy policy promises restraint. Sortfully is built so you don't have to take its word for it. It cannot read message bodies or attachments; the restriction is a code-level allow-list backed by a CI gate that fails the build, and filing runs on deterministic rules you can read and override. It is also the only one of its kind built for Outlook and Microsoft 365 first: delegated Microsoft Graph permissions from a verified Microsoft publisher, shared mailbox support, and read-only respect for your existing inbox rules, where SaneBox, Clean Email and Mailstrom treat Outlook as a second platform. And it behaves differently: mail is filed by sender organisation, so every alias and subdomain lands in one folder, and by default only after you have read it, so nothing disappears unseen and everything can be undone.

What's the story behind your product?

Sortfully's answer:

Sortfully was built by a UK founder who watched Outlook rules fail at scale: Exchange caps rules at 256 KB, one rule per sender domain does not scale, and rules only run while Outlook is open. The alternatives all wanted AI access to mail content, which is exactly what regulated firms cannot accept. So Sortfully does the opposite: deterministic filing by sender organisation, with a code-enforced guarantee that message bodies and attachments are never read. It launched in August 2026, operated by a UK company with EU hosting.

What makes your product unique?

Sortfully's answer:

Sortfully contains no AI at all. Filing runs on deterministic rules you can read and edit: the sender's domain, your overrides, then Public Suffix List normalisation. And the privacy guarantee is structural rather than promised: the one code path allowed to call Microsoft Graph message endpoints uses a strict metadata allow-list, and a CI gate fails the build if a content field ever appears. Message bodies and attachments are never read.

How would you describe the primary audience of your product?

Sortfully's answer:

Businesses and normal consumers can both benefit from Sortfully. Businesses on Microsoft 365, mainly professional services firms of 10 to 200 mailboxes (accountants, solicitors, surveyors, architects) and the IT admins or MSPs who manage their tenants. It also suits compliance-conscious firms that have decided against AI email tools, and individual Outlook power users.

Which are the primary technologies used for building your product?

Sortfully's answer:

Laravel (PHP), PostgreSQL and Redis on the backend; React with TypeScript and Inertia on the frontend; the Microsoft Graph API with delegated permissions for all mailbox access. Hosted in the EU.

User comments

Share your experience with using Nylas Mail and Sortfully. For example, how are they different and which one is better?
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Social recommendations and mentions

Based on our record, Nylas Mail seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

Nylas Mail mentions (1)

  • Ask HN: Who is hiring? (February 2025)
    Nylas | https://nylas.com | Senior Software Engineer | Remote in Canada (US based company) At Nylas, we specialize in making it easier for developers to add email, calendar, and contact management features into their applications. We provide tools called APIs, which streamline the integration of these functionalities, ensuring they are secure and effective. This enables better, safer, and more reliable... - Source: Hacker News / over 1 year ago

Sortfully mentions (0)

We have not tracked any mentions of Sortfully yet. Tracking of Sortfully recommendations started around Aug 2026.

What are some alternatives?

When comparing Nylas Mail and Sortfully, you can also consider the following products

Hiver - The modern AI customer service platform

Sanebox - SaneBox is a cloud-based service that allows users to filter and manage their emails.

Clean Email - Clean Email is an online service that empowers you to take control of your mailbox.

MailClark - The Slack bot for external communications

Mailstrom - The smarter, faster way to clean out your inbox. Power through thousands of messages in just a few clicks. Free Trial! Website. JOBS.

Email Signature Rescue - Create, manage and deploy beautiful customized HTML signatures in any email client.

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