Per Jessen wrote:
Joe Morris wrote:
From memory, your ISP rejected the mail because of its spam checks.
It's more of a sanity check - on the public internet it's quite reasonable to reject mails coming from addresses that cannot be identified.
To use the correct terms, the mail is rejected because the sender address is undeliverable. If the mail bounces it can not be sent back to the sender address. The server prevents this by rejecting undeliverable sender domains. It's a cheap and sensible check (just a dns query) compared to the sender address verification that checks if the exact sender address is deliverable. The latter method is currently mostly regarded as dangerous because it queries third-party servers and might lead do a ddos situation if the number of spams are so high that the third-party server can't cope anymore with the number of address probes. -- Sandy List replies only please! Please address PMs to: news-reply2 (@) japantest (.) homelinux (.) com -- To unsubscribe, e-mail: opensuse+unsubscribe@opensuse.org For additional commands, e-mail: opensuse+help@opensuse.org