1 # -Mas -Mai (untrusted caller)
10 AUTH PLAIN AHVzZXJ4AHNlY3JldA==
11 235 Authentication successful
23 exim -odi userx@domain.com
32 AUTH PLAIN AHVzZXJ4AHNlY3JldA==
33 235 Authentication successful
45 exim -oMas xxx@yyy -oMai zzz -odi userx@domain.com