More likely the ISP is set up to not accept mail sent from "foreign"
IP's. Denying mail-relaying is a sensible and very common security
measurement to avoid mail relay exploits. Because of this, one should
normally use the outgoing mailserver of the ISP one is connected to at
the time mail is sent.
K.
Udo Richter wrote:
> DvB wrote:
>
>>I set up an extra pop3 account under mail/news and set it up so that it
>>would send mail through its own smtp server instead of the default. I
>>also checked the 'use name and password" box.
>>
>>Now whenever I try to send mail with that account, I get the message:
>>
>>"An error occurred while sending mail. The mail server responded: 5.7.1
>><to-address>... Relaying denied. IP name lookup failed [xxx.xx.xxx.xxx].
>>Please check the message recipient and try again."
>>
>
> This might be bug 72761, one of my bugs, see
> http://bugzilla.mozilla.org/show_bug.cgi?id=72761
>
> Not that it got much attention by now...
>
>
>
