SynoMail for Android

2.4.10

SynoMail for Android: your Synology MailPlus mail on tablet and phone — sign in with your NAS address or QuickConnect ID.

A native Android app for Synology MailPlus Server: list and message side by side on a landscape tablet, one column on a phone.

It talks to your NAS directly — no third-party cloud. Your password stays encrypted on the device.

Features

Sign-in

Address or QuickConnect

NAS address or simply your QuickConnect ID, 2-step verification, self-signed NAS certificate remembered safely.

Mail

Folders and labels

Inbox, folders, labels, unread and flagged, search, reply, reply all, forward, attachments.

Speed

Instant actions

Delete, archive and move happen at once; the NAS is told in the background.

Swipes

Your own swipes

Choose what swiping left and right does: archive, delete, read, flag, reply or spam.

Files

Attachments

All documents, spreadsheets, PDFs and calendar files from your mail in one list.

Widgets

Home screen

Unread count and newest mail as widgets; notifications for new mail.

What’s new

Version 2.4.10, 13 November 2026

The message list no longer shows leftovers like “![endif]>” in previews.

Installation

1
Download
Get the .apk file below on the tablet or phone.
2
Allow the install
Android asks to allow installs from the browser or file manager: allow it for this file.
3
Sign in
NAS address or QuickConnect ID, DSM user and password, then the verification code if DSM asks for it.

Questions and answers

What does the NAS need?

Synology MailPlus Server with a mailbox for your DSM user.

Does it work away from home?

Yes: with QuickConnect, or with the NAS's public address.

Which devices?

Android 8.0 or later, phones and tablets.

How do I check the downloaded file?

In Terminal, run the command below and compare the result with the SHA-256 fingerprint on the right. If a single character differs, do not open the file and write to us.

shasum -a 256 ~/Downloads/SynoMail-2.4.10.apk

Version: 2.4.10
Developer: IBCSC, Charleroi
Interface languages: Français, Nederlands, Deutsch, English, Русский, Español
Compatibility: Android 8.0 or later
Architecture: Android 8.0+
Licence: Free, no ads
SHA-256 fingerprint: ed4cffcdae48…d2697e