Hi!
> yahoo.com is special. They accept all addresses except the ones that
> are abused at a slightly bigger scale. - If considerable amount of spam
> is sent with a yahoo-sender address and yahoo gets too many bounces
> this address is rejected at RCPT TO.
>
> 2004-06-27 13:43:04 H=xxx.xxx.com [123.45.76.89] sender verify
> fail for <thesexxwarehouse@???>: response to "RCPT
> TO:<thesexxwarehouse@???>" from mx2.mail.yahoo.com
> [67.28.113.11] was: 553 VS10-RT Possible forgery or deactivated due
> to abuse (#5.1.1)
> cu andreas
The bad thing is they dont send a permanent refusal, only a temp one, so a
zillion mailservers out there keep trying to deliver them the same mails
over and over. Only making it worse...
Jul 1 05:38:44 vmx55 exim[13675]: 2004-07-01 05:38:44 1BfpuE-0003Ef-6K
SMTP error from remote mailer after MAIL FROM:<grabovsky@???>
SIZE=82921: host mx3.mail.yahoo.com [64.156.215.5]: 421 VS5-MF Excessive
unknown recipients - possible Open Relay
http://help.yahoo.com/help/us/mail/spam/spam-18.html (#4.4.5)
Bye,
Raymond.