The 263 Business Email User Manual explains how to set up and use Outlook Express, Foxmail, and Webmail for sending and receiving emails.
This manual is intended for end users of the 263 business email service and for staff who guide those users. It assumes familiarity with Windows operating systems and common email clients such as Outlook Express and Foxmail.
The guide covers SMTP/POP3 configuration for Outlook Express and Foxmail, step‑by‑step Webmail usage, troubleshooting of common issues, and details on the large‑attachment feature that supports up to 300 MB files with breakpoint upload/download. This manual is written in Chinese.
| Supported protocols | eSMTP/POP3 |
|---|---|
| Maximum large‑email size | 300 MB |
| Temporary storage for large emails | 300 MB for 5 days |
Check that the POP3 server address and account name are entered correctly, and verify the password’s case sensitivity.
The large‑email feature allows sending files up to 300 MB.
Uploaded files are kept for 5 days, regardless of whether the upload completes.
It verifies that outgoing mail is sent by the legitimate account holder, helping to prevent spam and spoofing.