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You can send mail from gmail to yahoo because both use the same protocols, IMAP, POP, and SMTP. WhatsApp uses XMPP while Telegram uses their own proprietary pr
by johncoltrane 4y ago
You can send mail from gmail to yahoo because both use the same protocols, IMAP, POP, and SMTP.
WhatsApp uses XMPP while Telegram uses their own proprietary protocol, MTProto. They use different protocols so they are not interoperable unless you manage to create some kind of bridge between the two.