Properties
| Name | Type | Description |
|---|---|---|
| name | string | Alias name (if not provided or if blank, then a random alias is generated) |
| recipients | object | List of recipients. If not provided or empty, defaults to the requester's email |
| description | string | Alias description |
| labels | object | |
| has_recipient_verification | boolean | Require recipients to click verification link (defaults to domain setting) |
| is_enabled | boolean | Whether to enable or disable this alias |
| error_code_if_disabled | number | Error code if alias is disabled. Defaults to 250 |
| has_imap | boolean | Enable or disable IMAP storage for this alias |
| has_pgp | boolean | Enable or disable OpenPGP encryption for this alias |
| public_key | string | OpenPGP public key in ASCII Armor format |
| has_smime | boolean | Enable or disable S/MIME encryption for this alias |
| smime_certificate | string | S/MIME X.509 certificate in PEM format |
| has_wkd_disabled | boolean | Whether WKD (Web Key Directory) public key lookup is disabled for this alias |
| max_quota | string | Storage max quota (e.g. '1 GB') |
| vacation_responder_is_enabled | boolean | Enable or disable vacation responder |
| vacation_responder_start_date | string | Start date (e.g. 'YYYY-MM-DD') for vacation responder |
| vacation_responder_end_date | string | End date (e.g. 'YYYY-MM-DD') for vacation responder |
| vacation_responder_subject | string | Plaintext subject for vacation responder |
| vacation_responder_message | string | Plaintext message for vacation responder |
| retention | integer | Retention period in days (0-365) for Trash and Junk mailbox cleanup. Set to 0 to use automatic storage-based scaling. |
| smtp_limit | integer | Per-alias daily SMTP outbound message limit. Set to 0 to use the domain-level limit. |
JSON Schema
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"$id": "https://raw.githubusercontent.com/api-evangelist/forward-email/main/json-schema/forward-email-alias-input-schema.json",
"title": "AliasInput",
"x-generated": "2026-10-26",
"x-method": "derived",
"x-generator": "derive-json-schema.py",
"x-source": "openapi/forward-email-openapi.json#/components/schemas/AliasInput",
"type": "object",
"properties": {
"name": {
"type": "string",
"description": "Alias name (if not provided or if blank, then a random alias is generated)"
},
"recipients": {
"oneOf": [
{
"type": "string",
"description": "Line-break/space/comma separated string of valid email addresses, FQDNs, IPs, or webhook URLs"
},
{
"type": "array",
"items": {
"type": "string",
"format": "email"
},
"description": "Array of valid recipients"
}
],
"description": "List of recipients. If not provided or empty, defaults to the requester's email"
},
"description": {
"type": "string",
"description": "Alias description"
},
"labels": {
"oneOf": [
{
"type": "string",
"description": "Line-break/space/comma separated string of labels"
},
{
"type": "array",
"items": {
"type": "string"
},
"description": "Array of labels"
}
]
},
"has_recipient_verification": {
"type": "boolean",
"description": "Require recipients to click verification link (defaults to domain setting)"
},
"is_enabled": {
"type": "boolean",
"description": "Whether to enable or disable this alias"
},
"error_code_if_disabled": {
"type": "number",
"enum": [
250,
421,
550
],
"description": "Error code if alias is disabled. Defaults to 250"
},
"has_imap": {
"type": "boolean",
"description": "Enable or disable IMAP storage for this alias"
},
"has_pgp": {
"type": "boolean",
"description": "Enable or disable OpenPGP encryption for this alias"
},
"public_key": {
"type": "string",
"description": "OpenPGP public key in ASCII Armor format"
},
"has_smime": {
"type": "boolean",
"description": "Enable or disable S/MIME encryption for this alias"
},
"smime_certificate": {
"type": "string",
"description": "S/MIME X.509 certificate in PEM format"
},
"has_wkd_disabled": {
"type": "boolean",
"description": "Whether WKD (Web Key Directory) public key lookup is disabled for this alias"
},
"max_quota": {
"type": "string",
"description": "Storage max quota (e.g. '1 GB')"
},
"vacation_responder_is_enabled": {
"type": "boolean",
"description": "Enable or disable vacation responder"
},
"vacation_responder_start_date": {
"type": "string",
"description": "Start date (e.g. 'YYYY-MM-DD') for vacation responder"
},
"vacation_responder_end_date": {
"type": "string",
"description": "End date (e.g. 'YYYY-MM-DD') for vacation responder"
},
"vacation_responder_subject": {
"type": "string",
"description": "Plaintext subject for vacation responder"
},
"vacation_responder_message": {
"type": "string",
"description": "Plaintext message for vacation responder"
},
"retention": {
"type": "integer",
"minimum": 0,
"maximum": 365,
"description": "Retention period in days (0-365) for Trash and Junk mailbox cleanup. Set to 0 to use automatic storage-based scaling."
},
"smtp_limit": {
"type": "integer",
"minimum": 0,
"default": 0,
"description": "Per-alias daily SMTP outbound message limit. Set to 0 to use the domain-level limit."
}
}
}
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