Invitation to connect on LinkedIn
ubuntu at tigershaunt.com
Tue Mar 3 14:57:28 UTC 2009
Paige Thompson wrote:
> read this.
> ; <<>> DiG 9.3.2 <<>> @localhost devel.ws TXT
> ; (2 servers found)
> ;; global options: printcmd
> ;; Got answer:
> ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 62695
> ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0
> ;; QUESTION SECTION:
> ;devel.ws. IN TXT
> ;; ANSWER SECTION:
> devel.ws. 3600 IN TXT "v=spf1 include:aspmx.googlemail.com ~all"
> ;; Query time: 277 msec
> ;; SERVER: 127.0.0.1#53(127.0.0.1)
> ;; WHEN: Tue Mar 3 07:10:07 2009
> ;; MSG SIZE rcvd: 79
> See that? That says mail from *@devel.ws can only be mailed by
> aspmx.googlemail.com IE: not aspmx.facebook.com
> Not my fault or problem :/
2 things before I wash my hands of this.
1. You don't understand as much of SPF as you think you do. A sender
need only insert an appropriate Return-Path: header, and they can send
messages as From: you without triggering SPF blocking at all. SPF is
only useful to prevent backscatter. (That is, a mail server that honors
SPF will not send bounce messages to a forged From: address.)
2. You lie with dogs, you get fleas. I understand you had no malicious
intent sending your contact list to spammer scum like Linked-In, but if
you can't acknowledge the basic err in netiquette of sending off other
people's contact info like that, you fail.
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