Exim Error

[ccaliman]

Receiving mail is normal on my server.
But I'm not able to send email.

when I try to send, it generates this error below.

Logs of: /var/log/exim/main.log
2018-08-31 12:31:36 1fvlEU-0005nz-Ac == [email protected] R=dnslookup T=remote_smtp defer (-53): retry time not reached for any host for 'gmail.com'
2018-08-31 12:32:29 1fvlLK-0007B3-NS H=alt3.gmail-smtp-in.l.google.com [209.85.233.27] Connection timed out
2018-08-31 12:32:29 1fvlLK-0007B3-NS == [email protected] R=dnslookup T=remote_smtp defer (110): Connection timed out

Can someone help me?
Thank you so much.

[mehargags]

check if your provider is blocking SMTP ports
or
If you have DNS mal-configuration that is not able to do a lookup for outside world servers

[ccaliman]

ISP was blocking me. Now it´s working.
Thanks.