Contact us

Email

help@dtmf.io
GPG: 947F006344C2C9342AB0137EBD8F261C1842CA88
Automatic end-to-end encryption with WKD-compatible mail services, including ProtonMail.

Telegram

@dtmfio

SMS

+447833660994
Free SMS from DTMF.io numbers. Calls to this number will not be answered.

XMPP/Jabber

help@dtmf.io
End-to-end encryption supported with OMEMO. OTR is insecure and is not supported.