SPF record for Gmail?

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http://serverfault.com – I have DNS, with a SPF TXT record, configured for a domain name. The primary user of the domain name now needs to be able to send both from our SMTP servers, and also from her GMail account. I've seen all the information about adding "include:_spf.google.com" to the SPF TXT record, but, as I look into it, it appears that record is outdated. In particular, I had the user send me a test message, and note that it was: Received: from mail-la0-f50.google.com (mail-la0-f50.google.com []) However, _spf.google.com doesn't list that IP address: $ dig +short _spf.google.com txt "v=spf1 (HowTos)