MtaConnectionStrategy

MtaConnectionStrategy

Defines a connection strategy for outbound message delivery.

This object can be configured from the WebUI under Settings › MTA › Outbound › Connection Strategies

Fields

name

Type: String · read-only

Short identifier for the strategy

description

Type: String?

Short description of the connection strategy

ehloHostname

Type: HostName?

Overrides the EHLO hostname that will be used when connecting using this strategy

sourceIps

Type: MtaConnectionIpHost[]

List of local IPv4 and IPv6 addresses to use when delivering emails to remote SMTP servers

connectTimeout

Type: Duration · default: "5m"

Maximum time to wait for the connection to be established

dataTimeout

Type: Duration · default: "10m"

Maximum time to wait for the DATA command response

ehloTimeout

Type: Duration · default: "5m"

Maximum time to wait for the EHLO command response

greetingTimeout

Type: Duration · default: "5m"

Maximum time to wait for the SMTP greeting message

mailFromTimeout

Type: Duration · default: "5m"

Maximum time to wait for the MAIL-FROM command response

rcptToTimeout

Type: Duration · default: "5m"

Maximum time to wait for the RCPT-TO command response

JMAP API

The MtaConnectionStrategy object is available via the urn:stalwart:jmap capability.

x:MtaConnectionStrategy/get

This is a standard Foo/get method as defined in RFC 8620, Section 5.1.

This method requires the sysMtaConnectionStrategyGet permission.

curl -X POST https://mail.example.com/api \
  -H 'Authorization: Bearer $TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
      "methodCalls": [
        [
          "x:MtaConnectionStrategy/get",
          {
            "ids": [
              "id1"
            ]
          },
          "c1"
        ]
      ],
      "using": [
        "urn:ietf:params:jmap:core",
        "urn:stalwart:jmap"
      ]
    }'

x:MtaConnectionStrategy/set

This is a standard Foo/set method as defined in RFC 8620, Section 5.3.

Supports create, update, and destroy operations in a single call.

Create

This operation requires the sysMtaConnectionStrategyCreate permission.

curl -X POST https://mail.example.com/api \
  -H 'Authorization: Bearer $TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
      "methodCalls": [
        [
          "x:MtaConnectionStrategy/set",
          {
            "create": {
              "new1": {
                "sourceIps": {}
              }
            }
          },
          "c1"
        ]
      ],
      "using": [
        "urn:ietf:params:jmap:core",
        "urn:stalwart:jmap"
      ]
    }'

Update

This operation requires the sysMtaConnectionStrategyUpdate permission.

curl -X POST https://mail.example.com/api \
  -H 'Authorization: Bearer $TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
      "methodCalls": [
        [
          "x:MtaConnectionStrategy/set",
          {
            "update": {
              "id1": {
                "description": "updated value"
              }
            }
          },
          "c1"
        ]
      ],
      "using": [
        "urn:ietf:params:jmap:core",
        "urn:stalwart:jmap"
      ]
    }'

Destroy

This operation requires the sysMtaConnectionStrategyDestroy permission.

curl -X POST https://mail.example.com/api \
  -H 'Authorization: Bearer $TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
      "methodCalls": [
        [
          "x:MtaConnectionStrategy/set",
          {
            "destroy": [
              "id1"
            ]
          },
          "c1"
        ]
      ],
      "using": [
        "urn:ietf:params:jmap:core",
        "urn:stalwart:jmap"
      ]
    }'

x:MtaConnectionStrategy/query

This is a standard Foo/query method as defined in RFC 8620, Section 5.5.

This method requires the sysMtaConnectionStrategyQuery permission.

curl -X POST https://mail.example.com/api \
  -H 'Authorization: Bearer $TOKEN' \
  -H 'Content-Type: application/json' \
  -d '{
      "methodCalls": [
        [
          "x:MtaConnectionStrategy/query",
          {
            "filter": {
              "name": "example"
            }
          },
          "c1"
        ]
      ],
      "using": [
        "urn:ietf:params:jmap:core",
        "urn:stalwart:jmap"
      ]
    }'

The x:MtaConnectionStrategy/query filter argument accepts the following conditions (combinable with AnyOf / AllOf / Not per RFC 8620):

Condition	Kind
name	text

CLI

stalwart-cli wraps the same JMAP calls. See the CLI reference for installation, authentication, and general usage.

Fetch

stalwart-cli get MtaConnectionStrategy id1

Create

stalwart-cli create MtaConnectionStrategy \
  --field 'sourceIps={}'

Query

stalwart-cli query MtaConnectionStrategy
stalwart-cli query MtaConnectionStrategy --where name=example

Update

stalwart-cli update MtaConnectionStrategy id1 --field description='updated value'

Delete

stalwart-cli delete MtaConnectionStrategy --ids id1

Nested types

MtaConnectionIpHost

Defines a source IP address and optional EHLO hostname override for outbound connections.

ehloHostname

Type: HostName?

Overrides the EHLO hostname that will be used when connecting from this IP address

sourceIp

Type: IpAddr · required

Local IPv4 and IPv6 address to use when delivering emails to remote SMTP servers