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h1. What is the BC-Mail ?

The Petals Mail binding component is a bidirectional binding component, it allows to :
* retrieve mails from an email account and send them to a JBI Service
* send JBI messages to an email account

h1. Component Configuration

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h1. Service Configuration

PROVIDE SERVICE : Import into the JBI environment an email account as a service, or use a generic SendMail service :

Petals Mail binding component allows JBI consumers to send mails to an email account. A JBI endpoint is registered into the JBI environment, and is linked to an smtp server, with an email address defined. When MailBC receives a message exchange from Petals platform, the content of the message is sent to the defined email address.

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h3. Service Unit descriptor

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h3. Service Unit content

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h3. Usage

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h2. Receive mails

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h3. Service Unit descriptor

Petals Mail binding component can be configured by deploying a new service unit to it. The jbi descriptor (jbi.xml file) of this service unit must contains a consumes node describing the link between an external mail store and an internal jbi endpoint. Here is an exemple of jbi descriptor activating a new "consumed service" :

{code:lang=xml}
<?xml version="1.0" encoding="UTF-8"?>
<!-- JBI descriptor for PEtALS' "petals-bc-mail" (Mail), version 3.0 -->
<jbi:jbi version="1.0"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:jbi="http://java.sun.com/xml/ns/jbi"
xmlns:mail="http://petals.ow2.org/components/mail/version-3.0"
xmlns:petalsCDK="http://petals.ow2.org/components/extensions/version-4.0"
xmlns:generatedNs="http://test">

<!-- Import a Service into PEtALS or Expose a PEtALS Service => use a BC. -->
<jbi:services binding-component="true">

<!-- Expose a PEtALS Service => consumes a Service. -->
<jbi:consumes
interface-name="generatedNs:Interface"
service-name="generatedNs:Service"
endpoint-name="Endpoint">

<!-- CDK specific elements -->
<petalsCDK:operation>operation</petalsCDK:operation>
<petalsCDK:mep>InOnly</petalsCDK:mep>

<!-- Component specific elements -->
<mail:scheme>pop3</mail:scheme>
<mail:host>pop.host.com</mail:host>
<mail:port>110</mail:port>
<mail:user>user</mail:user>
<mail:password>password</mail:password>
<mail:folder>INBOX</mail:folder>
<mail:period>60000</mail:period>
</jbi:consumes>
</jbi:services>
</jbi:jbi>
{code}

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{center}
{table-plus}
|| Parameter || Description || Default || Required ||
| scheme | the connection protocol (imap or pop3) | \- | Yes |
| username | the username used for authentication | \- | No |
| password | the password used for authentication. Can be null or empty | \- | No |
| host | the host used for connection | \- | Yes |
| port | the port used for connection | * imap : 143
* pop3 : 110 | No |
| folder | the folder to check for new mails | INBOX | No |
| period | the checking period time | 60 000 ms | No |
| expunge | Expunge deleted messages (read messages are marked as DELETED, default is TRUE) | true | No |
{table-plus}
*Configuration of a Service Unit to consume a service (Mail)*
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h3. Service Unit content

The Service Unit has to contain the following elements, packaged in an archive :
* The META-INF/jbi.xml descriptor file, has described above

{noformat}
su-mail.zip
+ META-INF
- jbi.xml
{noformat}

h3. Usage

When a new email is in the INBOX folder of the configured email account, the content of the mail is forwarded to the JBI Service defined in the Consumes section of the Service Unit.

{warning:title}
The component sends exchange with the InOnly pattern only.
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