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IMAP Connector

The IMAP Connector, which is configurable only as an inbound endpoint (i.e., message source) with a one-way exchange pattern, implements a transport channel that enables your Mule application to retrieve email from an IMAP email server.

IMAP is similar to POP3, except IMAP support both online and offline modes. For instance, IMAP users can leave email messages on the IMAP server until they explicitly delete them. Like POP3, IMAP cannot send email; for that, you must implement an SMTP outbound endpoint.

For a secure transport channel (either TLS or SSL), you can specify the IMAPS protocol.

Configuration

IMAP endpoint configuration consists of two stages:

  1. Place you IMAP endpoint at the head of the sequence of building blocks that make up your Mule flow. Since it must serve as the message source for your flow, it cannot occupy any other positions. (You can also use Composite Source scope to wrap the IMAP endpoint along with the POP3 endpoint so that your flow can receive email through multiple transport channels).

  2. Configure the IMAP endpoint by providing values for fields on the various tabs on the properties editor, which you open by double-clicking the IMAP endpoint icon the Message Flow canvas.

General Tab

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Property Description

Display Name

Defaults to the generic endpoint name. Change the display name, which must be alpha-numberic, to reflect that endpoint’s specific role in the flow, i.e.,Incoming Email.

Host

Enter the Fully Qualified Domain Name (FQDN) or IP address of the IMAP server from which email will be retrieved. Defaults to localhost.

Port

The port number that connects to the IMAP server. The default is 143 for IMAP, 993 for IMAPS.

User

The username for authentication on the IMAP server.

Password

The password for authentication on the IMAP server.

Connector Configuration

Use the dropdown list to select a previously created connector configuration for this endpoint. If you have not created a connector configuration for this type of endpoint, you can do so from this window by clicking Add. Click Edit to modify a previously created global element.

Advanced Tab

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Property Description

Address

Specify the URL of the IMAP server from which email is to be retrieved.

Resource Timeout

Specify how long (in ms) the endpoint must wait for a response from the IMAP server. The default is 10000 ms.

Encoding

Choose from a drop-down list the character set used for message data (i.e. UTF-8).

Disable Transport Transformer

Check this box if you do not want to use the endpoint’s default response transport.

MIME Type

Select from the dropdown list one the formats this endpoint supports.

*Connector Endpoint

Use the drop-down list to select a previously configured global endpoint template, if any exist. If you have not created a global element for this type of endpoint, you do so by clicking Add and completing the fields on the pane that appears. Click Edit to modify a previously created global element.

Enable default events tracking

Enable default [business event] tracking for this endpoint.

Transformer Tab

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Field Description

Request Transformer References

Enter a list of synchronous transformers that will be applied to the request before it is sent to the transport.

Response Transformer References

Enter a list of synchronous transformers that willbe applied to the response before it is returned from the transport.

Security Tab

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Property

Description

IMAPS

Check this box to enable IMAPS. Messages will be sent over a secure socket layer. Messages will be sent over a secure socket layer. By default, IMAPS is turned off.

Reference

See the [IMAP Transport Reference] for details on setting the properties for an IMAP endpoint using an XML editor.