Scott Haneda <[EMAIL PROTECTED]> wrote:
Hi Scott,
> Has nothing to do with the from/reply to, at least not on any good
> mailserver. Relaying is simply sending email over a SMTP server, but
> there are various flavors of relaying that become important. A open
> relay is a mailserver that blindly accepts a email and delivers it while
> not caring a bit about the source of the sender and its credentials.
> Spammers like open relays. If you get some kind of relay error, it
> generally means you are trying to send email though a server and are not
> giving it the correct credentials. In some rare cases, your IP range
> may be blocked, and no matter what credentials you send, you wont be
> allowed to relay.
This is quite true. Nevertheless, I've noticed on many Excahnge servers
that open relay was off (which is good IMHO) but they had also turned
off the possibility to send mail if the from field didn't match their
domain. Even worse, they had subdomains and the shut off any mail with
their domain instead of the subdomain in the From field
(eg [EMAIL PROTECTED] is OK but [EMAIL PROTECTED] , which point to the
same account is not).
I'd suggest tryinmg again making sure the address has the full server
addres in it.
This is also often related to authentication. The e-mail address in the
from field is used to authenticate on the SMTP and it really needs the
full domain.
This issue is so painful, that I decided long ago to configure Sendmail
on my Mac (port 25 is open on our network).
Corentin
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