> "smartuser.b@test.ex,a@test.ex"@test.ex verified
>
220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r
> "smartuser.b@test.ex,a@test.ex"@test.ex verified
>
220 the.local.host.name ESMTP Exim x.yz Tue, 2 Mar 1999 09:44:33 +0000\r