All Products
Search
Document Center

Alibaba Mail:Common parameters for standard accounts

Last Updated:Jun 16, 2026

Alibaba Mail standard accounts have specific limits on email sending, attachments, folders, contacts, and other features. The following tables list these parameters.

Category

Parameter

Email sending volume within the domain

/

Webmail broadcast recipient limit

300, configurable by the domain administrator

Individual send recipient limit

100

SMTP broadcast recipient limit

300, configurable by the domain administrator

Outgoing email body size limit

6 M

Incoming email body size limit

10 M

Outgoing standard attachment size limit

Default: 50 MB, configurable by the domain administrator (1 MB to 60 MB)

Note: Base64 encoding increases email size by more than 1.5 times. The email body size also affects the attachment size.

Outgoing single large attachment size limit

4G

Incoming standard attachment size limit

100 MB

Incoming email attachment count limit

500

Outgoing email attachment count

Standard attachments: 100. No limit on the number of large attachments.

Custom folder child levels

Level 10

Maximum number of personal folders to follow

10

Maximum number of folders per account (excluding system folders)

800

Maximum number of emails per folder

1 million

Total number of emails per account

2 million

Personal cloud drive space per account

Standard Edition: 5 GB; AI Premium Edition: 32 GB

Shared cloud drive space per account

20 GB

Maximum number of personal groups

100

Maximum members per group

150

Number of signatures

10

Number of labels

255

Profile picture size

<=5 MB

Personal contact limit

12,000

Personal contact groups

200

Member limit per personal contact group

Total limit of 12,000. No limit per group.

Batch import limit for contacts

500

Number of forwarding mailboxes for auto-forwarding

20

Number of other mailboxes to add

10

Number of entries displayed in a log query

100

Number of inbound rules

200

Number of forwarding mailboxes in inbound rules

200

Number of entries in Blacklist/Whitelist

500

Number of security passwords for third-party clients

10