[Solved] Set up SPF and DKIM

[mricardi]

Hey guys!
I'm testing email sending from my app and I saw that gmail is rejecting my emails
checking the wiki I found this: https://wiki.helionet.org/common-errors/mail-delivery-problems

could you help me guys pls? 
thank you!

user: mricardi 
domain: sandbox.helioho.st
 

[wolstech]

DKIM, SPF, and DMARC have been set up for the domain sandbox.helioho.st. We recommend sending a test email to https://www.mail-tester.com/ to make sure that everything is set up correctly. If you get less than a 10/10 score please post a link to the full report so we can help you fix any other issues that there may be.