On Mon, May 03, 2004 at 05:39:12PM +0530, Varun Varma wrote:
Generic solution for all MTAs: Create aliases/rewrite rules for offsite addresses. E.g., for sendmail, in /etc/aliases:
offsiteuser: [EMAIL PROTECTED]
virtusertable ... yes
Ok. Let's set the record straight. Atleast two people have objected to using the aliases file for this purpose.
I have not seen any specific technical objection - something on the lines of "If you use the aliases file, thing X will fail as because RFC compliance issues or because of the way a partcular MTA handles routing."
Instead, the tone seems to be..."Ahh...just don't do that - it's not very good."
I believe that the answers have been philosophical - based on the idea that aliases file [or luser_relay] should only be used for redirecting mail meant for local users and I am suggesting that they should be used to redirect mails for users who are not local to the system.
While I can understand this point of view, I don't really agree with it.
Also, please remember that I pointed out the solution in the context of the problem as pointed out by the OP. I am certainly not going to recommend it in different/more complex scenarios.
Again, you are assuming poorly connected hosts. That's not been specified anywhere by the OP.
That's the reason 90% of the time, at least when asked on LIH
Interesting approach...If the solution does not address the problem at hand, assume a different problem.
BTW, is it my imagination or does a "dig mx outblaze.com" only return one MX, the MX has only one A record associated with it? What I am missing here?
Tried (for example) dig email.com MX yet?
Yup. And the situation doesn't seem much better there. The two MXs listed there each resolve to four IPs, which I presume are "virtual IPs" pointing to clusters of servers, which is good. Except that they point to the *same* four IPs.
So effectively, the MX and backup MX are running on the same cluster of servers. If so, why bother with setting up the backup MX records?
-- Regards, Varun Varma --------------------------------------- Mindframe Software & Services Pvt. Ltd. http://www.mindsw.com ---------------------------------------
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