Pre-header character limit

[Anonymous]

Could anyone help me with the character limit that should be used for Marketo email pre-header so that the text does not crop off on mobile devices.

[Gerard_Donnell4]

Hi Addy Sharma​,

This document will give you more information including a table with the character limits for various desktop and mobile email clients.

Improve your email open rates with preheader text | Campaign Monitor

Thanks,

Gerard