Respuesta cruda del servidor (el error debería estar aquí):<br><pre>sigmaweb: host not enabled</pre><br><hr><br>Información de la petición:<br>Array
(
    [url] => https://parodi.sig2k.net/sigma/parodi-backup@sigma/sigma/api/v10/ImportCobranzas
    [content_type] => text/plain; charset=utf-8
    [http_code] => 404
    [header_size] => 178
    [request_size] => 487
    [filetime] => -1
    [ssl_verify_result] => 0
    [redirect_count] => 0
    [total_time] => 0.569166
    [namelookup_time] => 0.002362
    [connect_time] => 0.190406
    [pretransfer_time] => 0.381335
    [size_upload] => 208
    [size_download] => 26
    [speed_download] => 45
    [speed_upload] => 365
    [download_content_length] => -1
    [upload_content_length] => 208
    [starttransfer_time] => 0.569121
    [redirect_time] => 0
    [redirect_url] => 
    [primary_ip] => 200.68.99.105
    [certinfo] => Array
        (
        )

    [primary_port] => 443
    [local_ip] => 64.23.255.21
    [local_port] => 47996
    [http_version] => 2
    [protocol] => 2
    [ssl_verifyresult] => 0
    [scheme] => https
    [appconnect_time_us] => 381236
    [connect_time_us] => 190406
    [namelookup_time_us] => 2362
    [pretransfer_time_us] => 381335
    [redirect_time_us] => 0
    [starttransfer_time_us] => 569121
    [total_time_us] => 569166
    [effective_method] => POST
    [capath] => /etc/ssl/certs
    [cainfo] => /etc/ssl/certs/ca-certificates.crt
)