# How to customize section From e-mail:?

If a different email address appears in the **From Email** section of a notification, it means that a security system is set up on your side. To customize this section, please follow these steps:

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1. **If you are using SPF**\
   You need to authorize our mail server in your domain settings as follows:\
   `v=spf1 mx mx:golibe.com ~all`
2. **If your domain already has an SPF record**\
   Add our SPF record to it as follows:\
   `include:golibe.com`

Always add the following CNAME record to your domain:\
`golibe._domainkey.agentura.cz CNAME golibe._domainkey.golibe.com`
