cname replace in mail address? [off-topic] (Re: Attn Ronald
freebsd at jdc.parodius.com
Fri Aug 27 09:28:32 UTC 2010
On Fri, Aug 27, 2010 at 11:22:05AM +0200, Ronald Klop wrote:
> Mandatory? I'm googling, but can't find a document that declares it
> mandatory and only sendmail seems to do it.
> I think it is lame to use DNS info to rewrite e-mail addresses, but
> the person who made it 'mandatory' will have good reasons for it.
> Does somebody have a pointer to the specs about this?
First hit on Google:
Bottom line: don't use CNAMEs, ever, unless you know ***exactly*** what
you're doing. It's been like this for a very long time.
| Jeremy Chadwick jdc at parodius.com |
| Parodius Networking http://www.parodius.com/ |
| UNIX Systems Administrator Mountain View, CA, USA |
| Making life hard for others since 1977. PGP: 4BD6C0CB |
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