+/**
+ * modest_account_protocol_get_from:
+ * @self: a #ModestAccountProtocol
+ * @account_id: a transport account name
+ * @mailbox: a mailbox
+ *
+ * Obtain the From: string for the account and mailbox. Should be used only
+ * with transports with multi mailbox support.
+ *
+ * Returns: a newly allocated string
+ */
+gchar *modest_account_protocol_get_from (ModestAccountProtocol *self,
+ const gchar *account_id,
+ const gchar *mailbox);
+
+/**
+ * modest_account_protocol_get_from_list:
+ * @self: a #ModestAccountProtocol
+ * @account_id: a transport account name
+ *
+ * Obtain a list of pairs (mailbox - From: string) for filling the From picker.
+ *
+ * Returns: a ModestPairList
+ */
+ModestPairList *modest_account_protocol_get_from_list (ModestAccountProtocol *self,
+ const gchar *account_id);
+
+/**
+ * modest_account_protocol_get_signature:
+ * @self: a #ModestAccountProtocol
+ * @account_id: a transport account name
+ * @mailbox: a mailbox
+ *
+ * Obtain the signature string for the account and mailbox. Should be used only
+ * with transports with multi mailbox support.
+ *
+ * Returns: a newly allocated string
+ */
+gchar *modest_account_protocol_get_signature (ModestAccountProtocol *self,
+ const gchar *account_id,
+ const gchar *mailbox,
+ gboolean *has_signature);
+