//tag::ref-doc[]
= Mail Source
A source application that listens for Emails and emits the message body as a message payload.
== Options
The **$$mail$$** $$source$$ has the following options:
//tag::configuration-properties[]
$$mail.supplier.charset$$:: $$The charset for byte[] mail-to-string transformation.$$ *($$String$$, default: `$$UTF-8$$`)*
$$mail.supplier.delete$$:: $$Set to true to delete email after download.$$ *($$Boolean$$, default: `$$false$$`)*
$$mail.supplier.expression$$:: $$Configure a SpEL expression to select messages.$$ *($$String$$, default: `$$true$$`)*
$$mail.supplier.idle-imap$$:: $$Set to true to use IdleImap Configuration.$$ *($$Boolean$$, default: `$$false$$`)*
$$mail.supplier.java-mail-properties$$:: $$JavaMail properties as a new line delimited string of name-value pairs, e.g. 'foo=bar\n baz=car'.$$ *($$Properties$$, default: `$$<none>$$`)*
$$mail.supplier.mark-as-read$$:: $$Set to true to mark email as read.$$ *($$Boolean$$, default: `$$false$$`)*
$$mail.supplier.url$$:: $$Mail connection URL for connection to Mail server e.g. 'imaps://username:password@imap.server.com:993/Inbox'.$$ *($$URLName$$, default: `$$<none>$$`)*
$$mail.supplier.user-flag$$:: $$The flag to mark messages when the server does not support \Recent.$$ *($$String$$, default: `$$<none>$$`)*
//end::configuration-properties[]
//end::ref-doc[]
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