On 22/03/18 00:44, Viktor Dukhovni wrote: >> Legacy SMTP clients will often use an SNI matching the hostname that appears >> in the MX record and is used to look up the A/AAAA record for the connection. > > That's the same value, but if pre-DANE Postfix is a legacy SMTP client MTA, > then it simply sends no SNI at all when DANE is not used. Don't know about > widely used MTAs.
For Exim, as a client, sending SNI and the value used is a configuration option. -- Cheers, Jeremy _______________________________________________ Uta mailing list [email protected] https://www.ietf.org/mailman/listinfo/uta
