When transfer my domain to Cloudflare first days cache was smooth but didn’t have emails. Then I change something and now have emails but cache don’t work any more.
What did I do wrong? thanks
Cache don't work
That first “A” record that’s set to 
is actually a subdomain: alertify.alertify.eu, much like that CNAME entry for ‘mail’ is actually mail.alertify.eu
So your website, the second “A” record that’s set to 
isn’t going through Cloudflare.
Get rid of that first “A” record, and turn the second “A” record to
Then change the CNAME for ‘mail’ into an “A” record with the 88. IP address and make sure it’s set to
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Thanks a lot, did it as you said and it works. 
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