I don't know, maybe some of these:
https://www.fsf.org/resources/webmail-systems
- [Trisquel-users] Is webmail a service as a software... Adonay Felipe Nogueira
- Re: [Trisquel-users] ***POSSIBLE SPAM*** Is we... legimet . calc
- Re: [Trisquel-users] ***POSSIBLE SPAM*** I... maestro
- Re: [Trisquel-users] ***POSSIBLE SPAM*... onpon4
- Re: [Trisquel-users] ***POSSIBLE S... Infieles Agraviado
- Re: [Trisquel-users] ***POSSIBLE S... gramex
- Re: [Trisquel-users] ***POSSIBLE S... maestro
- Re: [Trisquel-users] ***POSSIBLE SPAM*... legimet . calc
- Re: [Trisquel-users] ***POSSIBLE SPAM*... nicolasmaia
- Re: [Trisquel-users] ***POSSIBLE SPAM*** Is we... tirifto
- Re: [Trisquel-users] ***POSSIBLE SPAM*** Is we... lloyd
- Re: [Trisquel-users] ***POSSIBLE SPAM*** Is we... travis
- Re: [Trisquel-users] ***POSSIBLE SPAM*** Is we... tomlukeywood
- Re: [Trisquel-users] ***POSSIBLE SPAM*** I... legimet . calc
- Re: [Trisquel-users] ***POSSIBLE SPAM*... tomlukeywood
- Re: [Trisquel-users] ***POSSIBLE SPAM*** Is we... elkingrey
- Re: [Trisquel-users] ***POSSIBLE SPAM*** Is we... mail
