Side by side

Daum Mail vs So-net Mail

Both stand on personal email services. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

Daum Mail

Free plan AndroidWeb

Daum Mail provides broad email functions across web and Android, including large-file handling and scheduled delivery. Premium Mail adds unlimited mailbox capacity and removes banner advertisements, while the free plan starts with 10 GB.

Visit Daum Mail

So-net Mail

Free plan AndroidiPhoneMac+2

So-net Mail provides straightforward browser email for existing So-net account holders, with broad device access and optional IMAP. Check its storage, retention, and search limits against your mailbox needs.

Visit So-net Mail

The facts

	Daum Mail	So-net Mail
Free plan	Yes	Yes
Open source	Not published	Not published
Runs on	Android, Web	Android, iPhone, Mac, Web, Windows
Lowest paid plan	Free or on request	Free or on request
Plans published	3	4
Maker	Daum Mail	Not published
Website	mail.daum.net	so-net.ne.jp
On personal email services	#69 of 115	#65 of 115

Daum Mail: what it does well

Supports attachments up to 4 GB
Offers scheduled message sending
Stores up to 10,000 personal contacts
Supports multiple external mail accounts
Provides ad-free Premium Mail option

What to know first

Large attachments expire after 30 days
Large files allow up to 100 downloads
Android requires version 9.0 or newer
Bulk-advertising accounts may face different limits

So-net Mail: what it does well

Works on web, Windows, macOS, iOS, and Android
No mail-software setup required on each device
Supports custom domains and email aliases
IMAP synchronizes mailbox state across devices
Free webmail plan is listed

What to know first

Feature phones are not supported
IMAP mailboxes are limited to 3GB
Server-side IMAP message search is unavailable
Spam filtering needs a separate free application

Alternatives to Daum Mail Alternatives to So-net Mail The whole list