If you are using the Gmail Mobile App on your mobile device:
Check your spam folder, as on desktop.
Was your Sermo email mistakenly sent to Gmail spam?
Please open the email and Tap the icon.
Select "Change labels".
Check the box next to Inbox.
Tap OK to save your settings.
If you are using Gmail tabs, such as Promotions, please open your Promotions tab in Gmail.
- When you find the email from Sermo.
- Tap the menu icon - top right.
- Then select Move to.
4. Then select Primary from the list.
This should help Gmail know that you always want to see Sermo in your Primary Inbox tab.