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API Reference
Email Sending
Suppressions

List account Email Sending suppressions

email_sending.suppressions.list(SuppressionListParams**kwargs) -> SyncCursorPagination[SuppressionListResponse]
GET/accounts/{account_id}/email/sending/suppressions

Lists every active Email Sending suppression owned by the account: sending-domain suppressions first, then account-wide suppressions (including legacy rows with internal zone memberships). Each group is newest first.

Security
API Token

The preferred authorization scheme for interacting with the Cloudflare API. Create a token.

Example:Authorization: Bearer Sn3lZJTBX6kkg7OdcBUAxOO963GEIyGQqnFTOFYY
API Email + API Key

The previous authorization scheme for interacting with the Cloudflare API, used in conjunction with a Global API key.

Example:X-Auth-Email: user@example.com

The previous authorization scheme for interacting with the Cloudflare API. When possible, use API tokens instead of Global API keys.

Example:X-Auth-Key: 144c9defac04969c7bfad8efaa8ea194
ParametersExpand Collapse
account_id: str

Cloudflare account ID.

cursor: Optional[str]

Opaque pagination cursor returned as result_info.next_cursor. It carries the filters that produced it.

maxLength2048
email: Optional[str]

Exact email-address filter.

formatemail
per_page: Optional[int]

Maximum number of suppressions to return per page.

maximum1000
minimum1
reason: Optional[Literal["manual", "complaint", "hard_bounce", 2 more]]

Filter to suppressions with this reason.

One of the following:
"manual"
"complaint"
"hard_bounce"
"soft_bounce"
"policy"
scope_type: Optional[Literal["account", "sending_domain"]]

Filter by scope: account returns only account-wide suppressions, sending_domain only sending-domain suppressions. Omit to list both, sending-domain suppressions first.

One of the following:
"account"
"sending_domain"
scope_value: Optional[str]

Exact sending-domain filter. Requires scope_type=sending_domain.

maxLength1024
ReturnsExpand Collapse
class SuppressionListResponse: …
id: str

Unique identifier for this suppression.

formatuuid
created_at: datetime

When the suppression was created.

formatdate-time
email: str

The suppressed email address.

formatemail
expires_at: Optional[datetime]

When the suppression expires. Null for a permanent suppression.

formatdate-time
read_only: bool

Whether clients may mutate this suppression. This is determined by the server and must not be inferred from reason.

reason: str

Why the address is suppressed: manual, complaint, hard_bounce, soft_bounce, or policy.

note: Optional[str]

Advisory note for this suppression, if any.

scope: Optional[Scope]

Where the suppression applies: account for every sending domain of the account, or sending_domain for one envelope MAIL FROM domain.

One of the following:
class ScopeType: …
type: Literal["account"]

Blocks the recipient for every sending domain of the account.

class ScopeUnionMember1: …
type: Literal["sending_domain"]

Blocks the recipient only for mail whose envelope MAIL FROM uses value.

value: str

The sending domain: the domain part of the envelope MAIL FROM, lowercase, without a trailing dot.

maxLength1024

List account Email Sending suppressions

import os
from cloudflare import Cloudflare

client = Cloudflare(
    api_token=os.environ.get("CLOUDFLARE_API_TOKEN"),  # This is the default and can be omitted
)
page = client.email_sending.suppressions.list(
    account_id="12345678",
)
page = page.result[0]
print(page.id)
{
  "errors": [
    {}
  ],
  "messages": [
    {}
  ],
  "result": [
    {
      "id": "396a5436-d4b0-42a6-b3fc-48e8fa522321",
      "created_at": "2026-01-02T02:20:00Z",
      "email": "user@example.com",
      "expires_at": "2027-01-01T00:00:00Z",
      "read_only": false,
      "reason": "hard_bounce",
      "note": "Imported from CRM",
      "scope": {
        "type": "sending_domain",
        "value": "mail.example.com"
      }
    }
  ],
  "result_info": {
    "count": 1,
    "next_cursor": null,
    "per_page": 100
  },
  "success": true
}
Returns Examples
{
  "errors": [
    {}
  ],
  "messages": [
    {}
  ],
  "result": [
    {
      "id": "396a5436-d4b0-42a6-b3fc-48e8fa522321",
      "created_at": "2026-01-02T02:20:00Z",
      "email": "user@example.com",
      "expires_at": "2027-01-01T00:00:00Z",
      "read_only": false,
      "reason": "hard_bounce",
      "note": "Imported from CRM",
      "scope": {
        "type": "sending_domain",
        "value": "mail.example.com"
      }
    }
  ],
  "result_info": {
    "count": 1,
    "next_cursor": null,
    "per_page": 100
  },
  "success": true
}