Am 09.07.2012 15:47, schrieb Alan Cox: > On Mon, 9 Jul 2012 11:03:38 +0000 > "Errol Mangwiro " <emangwiro@xxxxxxxx> wrote: > >> Hi, >> >> Recently I started receiving bounces from mail purporting to having been sent from addresses in my domain. But the addresses don't exist. So I thought that someone was faking the sender header and sending spam. I added SPF and domain-key records to try to combat this. However, either hotmail and yahoo don't check these or they ignore them because I'm still getting spammed. > > I don't think anyone bothers with SPF any more - the only people with > valid records are usually spammers. says who? SPF is used in any spam-firewall applicance these days to give additional good or bad points to a message [root@srv-rhsoft:~]$ dig TXT thelounge.net @8.8.8.8 ;; ANSWER SECTION: thelounge.net. 86400 IN TXT "v=spf1 ip4:91.118.73.0/24 ip4:89.207.144.27 -all" [root@srv-rhsoft:~]$ dig SPF thelounge.net @8.8.8.8 ;; ANSWER SECTION: thelounge.net. 86400 IN SPF "v=spf1 ip4:91.118.73.0/24 ip4:89.207.144.27 -all" ________________________ even any of our customers domains without e-mail has the correct SPF [root@srv-rhsoft:~]$ dig TXT afi.at @8.8.8.8 ;; ANSWER SECTION: afi.at. 21600 IN TXT "v=spf1 -all"
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