Ishaaq Chandy wrote:
> I've got some more questions relating to sendmail 8.8.x:
>
> 1. We're testing our network mail facility. We have got a registered domain
> called foo.org. Now our setup is that all mail for foo.org lands up in our
> mailbox: [EMAIL PROTECTED] We then download from [EMAIL PROTECTED] into our
> Linux server using fetchmail.
>
> Last night I sent an email (from home) to one of the users at our network
> and CC'd it to another 15 users at the network. Next morning I downloaded
> the emails from our ISP into our server using fetchmail. However when I
> downloaded the emails from our server to the client computers I noticed
> that each user got 15 copies of the message we had sent out. What went wrong?
15 copies of the message were delivered to the mailbox, each with the
To: and CC: headers intact. When the messages were re-sent, each copy
was sent to all of the listed recipients.
Your ISP will have to add an X-Envelope-To: header to all of your
messages in order for a multi-drop mailbox to work correctly. If they
don't add this header, then you're out of luck.
The *only* address which is guaranteed to be correct for delivering
mail is the envelope recipient. If this is discarded when the mail is
delivered to the mailbox, then there is no way to deliver the mail
correctly (other than to choose another ISP).
> 2. This one may not be Linux/sendmail specific so please forgive me:
>
> One of our users decided to send an email to all his contacts (about 40 of
> them) so he sent it out with all 40 in the TO: section. About 15 of the
> recipients' ISPs rejected these. My guess is that they are refusing to
> allow bulk mail. What is a safe upper limit in such cases?
There isn't one. It's entirely up to the ISP as to what they allow.
> Also I noticed
> that in the returned mail upon reading the original FROM: section it showed
> [EMAIL PROTECTED] and then said that the mail is "possibly forged". What does
> this mean and how do I overcome it?
It could mean just about anything. Whether it is possible to overcome
it depends upon what put it there and why. It may be that your ISP
adds this to anything which doesn't have `[EMAIL PROTECTED]' as the
sender.
--
Glynn Clements <[EMAIL PROTECTED]>
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