I can not integrate mautic with sendgrid

I can not integrate mautic with sendgrid, show me this error:

Quote:
Connection could not be established with host smtp.sendgrid.net [Connection timed out #110] Log data: ++ Starting MauticEmailBundleSwiftmailerTransportSendgridTransport !! Connection could not be established with host smtp.sendgrid.net [Connection timed out #110] (code: 0)
++ Starting MauticEmailBundleSwiftmailerTransportSendgridTransp
I installed mautic on googlecloud.
I configured the mautic correctly with the data from sendgrid but can not send the email what should I do? Changed firewall rules on the google cloud vpc network

I can not integrate mautic with sendgrid, show me this error:

[quote]Connection could not be established with host smtp.sendgrid.net [Connection timed out #110] Log data: ++ Starting MauticEmailBundleSwiftmailerTransportSendgridTransport !! Connection could not be established with host smtp.sendgrid.net [Connection timed out #110] (code: 0)
++ Starting MauticEmailBundleSwiftmailerTransportSendgridTransp[/quote]
I installed mautic on googlecloud.
I configured the mautic correctly with the data from sendgrid but can not send the email what should I do? Changed firewall rules on the google cloud vpc network

Duplicate post
https://www.mautic.org/community/index.php/8572-google-cloud-cannot-access-sendgrid