<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>jcborro</author><text>Ditto, this.  Some recipients find mails in the spam folder, others claim they aren&amp;#x27;t even in there, but have simply vanished.  All were accepted for delivery by gsmtp.</text><parent_chain><item><author>secabeen</author><text>I run my own mail server with full SPF, DKIM and SRS, routing the mail through a relay at a reputable VPS provider on high-reputation IPs.  Over the last few months, there seems to be this pattern where if I email someone @gmail who I&amp;#x27;ve never mailed before, they don&amp;#x27;t seem to ever get it.  I wonder if this is the issue.</text></item></parent_chain></comment><story><title>Dear Google Mail Team</title><url>https://plus.google.com/+LinusTorvalds/posts/DiG9qANf5PA</url></story>
<instructions>Your goal is to analyze the following comment and estimate how highly it will be upvoted by the Hacker News community.</instructions><comment><author>sliverstorm</author><text>I had a problem with my personal server for a little while; all my SPF, DKIM, etc was all set up for IPv4. I have a couple IPv6 interfaces on my machine, and my mailserver was delivering to GMail over IPv6!!</text><parent_chain><item><author>secabeen</author><text>I run my own mail server with full SPF, DKIM and SRS, routing the mail through a relay at a reputable VPS provider on high-reputation IPs.  Over the last few months, there seems to be this pattern where if I email someone @gmail who I&amp;#x27;ve never mailed before, they don&amp;#x27;t seem to ever get it.  I wonder if this is the issue.</text></item></parent_chain></comment><story><title>Dear Google Mail Team</title><url>https://plus.google.com/+LinusTorvalds/posts/DiG9qANf5PA</url></story>