+/**
+ * Search an (account, address) ModestPairList for a pair whose
+ * address matches the one in the From: header of a TnyMsg
+ *
+ * @result: A ModestPair * with a matching address, or NULL if none found
+ */
+static ModestPair *
+find_transport_from_message_sender (ModestPairList *transports, TnyMsg *msg)
+{
+ g_return_val_if_fail (transports, NULL);
+ g_return_val_if_fail (msg, NULL);
+
+ ModestPair *account_pair = NULL;
+ TnyHeader *header = tny_msg_get_header (msg);
+
+ if (header != NULL && tny_header_get_from (header)) {
+ char *from_addr = modest_text_utils_get_email_address (tny_header_get_from (header));
+ GSList *iter;
+ for (iter = transports; iter && !account_pair; iter = iter->next) {
+ ModestPair *pair = (ModestPair *) iter->data;
+ char *account_addr = modest_text_utils_get_email_address ((char *) pair->second);
+ if (account_addr && !strcasecmp(from_addr, account_addr)) {
+ account_pair = pair;
+ }
+ g_free (account_addr);
+ }
+ g_free (from_addr);
+ }
+
+ if (header)
+ g_object_unref (header);
+
+ return account_pair;
+}
+