Re: retry

トップ ページ
このメッセージを削除
このメッセージに返信
著者: Chris Thompson
日付:  
To: Piete Brooks
CC: exim-users
題目: Re: retry
Piete Brooks writes:
>
> > Obviously this is broken.
>
> Indeed -- it is ILLEGAL to have an RR which is a CNAME referenced in the DNS.
> [[ It would be REAL USEFUL to have a CNAME such as "mail-serv" and use that 
> for MX
>    RRs, but it's not permitted :-(
> ]]


It is illegal - but it is also quite common. Exim does have code to follow
CNAMEs (and even chains of CNAMEs, another illegality) found by looking up
MX records, and it is probably just as well it does!

Chris Thompson               Cambridge University Computing Service,
Email: cet1@???    New Museums Site, Cambridge CB2 3QG,
Phone: +44 1223 334715       United Kingdom.