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+++ Farhan Ahmed [linux-india] <17/02/02 10:10 -0500>:
> I want to use my domain name to receive mails. I was experimenting with the
> RR's for the DNS on a free DNS provider and this is what I got:
> alienfluid.com. IN NS ns1.granitecanyon.com
> alienfluid.com. IN NS ns2.granitecanyon.com
Fine ...
> alienfluid.com IN RP farhan.alienfluid.com. farhan.alienfluid.com.
The responsible person
> farhan.alienfluid.com. IN TXT "Farhan Ahmed, NIC handle: ahmedf"
TXT record fine ...
> localhost.alienfluid.com. IN A 127.0.0.1
> alienfluid.com. IN A 139.147.174.160
> www.alienfluid.com. IN CNAME alienfluid.com.
> alienfluid.com IN MX 12801 www
Here's your mistake. NEVER point an MX directly to a CNAME. Point it to a
canonical hostname which has an A record.
alienfluid.com IN MX 10 mail
mail IN A 139.147.174.160
> Besides that, my sendmail.cf file contains this line :
> Cw alienfluid.com
Don't edit sendmail.cf directly. Build from .mc and then put the local
domains you receive mail for in /etc/mail/local-host-names (or if you are
running something antique like 8.9.3 and below, put it in /etc/sendmail.cw)
Add all combinations you receive mail for in local-host-names ... in this
case, you'd add
alienfluid.com
mail.alienfluid.com
to the local-host-names file.
> Can anyone tell me if the above is sufficient since I don't get any emails
> when I send it to any address @alienfluid.com from an external network.
With screwed MX records, what do you expect?
Oh yeah - you have screwed up NS records as well - guaranteeing that you
won't get any kind of resolution.
suresh@blackehlo 23:29:26 [~]$ dig @ns1.granitecanyon.com alienfluid.com NS
; <<>> DiG 8.3 <<>> @ns1.granitecanyon.com alienfluid.com NS
;; alienfluid.com, type = NS, class = IN
;; ANSWER SECTION:
alienfluid.com. 12H IN NS ns2.granitecanyon.com.alienfluid.com.
alienfluid.com. 12H IN NS ns1.granitecanyon.com.alienfluid.com.
Hint: You forgot a trailing dot in two lines in that zonefile.
-srs
- --
Suresh Ramasubramanian <----> mallet <at> efn dot org
EMail Sturmbannfuhrer, Lower Middle Class Unix Sysadmin
[Linux One Stanza Tip] From : <[EMAIL PROTECTED]>
LOST #054 -**< Sub : Stripping the kernel >**-
GNU strip removes all symbols from object files. The kernel
can also be stripped to reduce size, but NOT advocated. There
is no increase in speed ... OTOH, some utilities depend on the
presence of kernel symbols to operate (ksymoops, modutils etc)
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