Gandi Docs

I need to knowm which parameter for MX RECORDS i need to use for a domain create with you, but using an external DNS.

Hello, You can find the MX records that you need to use with your external DNS on the following page: http://wiki.gandi.net/en/mail/create-email-account

Below is an extract, showing the records (further information can be found on the page mentioned above):

@ 10800 IN MX 10 spool.mail.gandi.net. 
@ 10800 IN MX 50 fb.mail.gandi.net.
pop 10800 IN CNAME access.mail.gandi.net.
imap 10800 IN CNAME access.mail.gandi.net.
smtp 10800 IN CNAME relay.mail.gandi.net.
webmail 10800 IN CNAME agent.mail.gandi.net.