ContribucionesMost RecentMost LikesSolutionsRe: How can I block ALL text messages sent from EMAIL ADDRESSES? Rainey513 wrote: Didn't work. Not available to Tmobile customers I guess! Sorry it didn't help. I guess it only works for Sprint customers that were forced to Tmobile because of the merger. Re: How can I block ALL text messages sent from EMAIL ADDRESSES? Have you tried texting "BLOCK 6245" to 9999?