30 Oct
2000
30 Oct
'00
8:05 a.m.
Quoting "Alex B. Shepardsen" <abs@squig.org>:
abs@suffy:/home/abs$ telnet mail.bend.com 25 Trying 199.2.205.69... Connected to mail.bend.com. Escape character is '^]'. 220 X1 NT-ESMTP Server mail.bend.com (IMail 6.04 64477-1) expn mueller 550 list not found vrfy mueller 252 Cannot VRFY user quit 221 Goodbye
Many SMTP servers disable EXPN and VRFY for security reasons, typically by returning failure messages.