SMTP
From DWIKI
Documentation
- http://www.networksorcery.com/enp/rfc/rfc2821.txt
- How to check an SMTP connection with a manual telnet session
SMTP reply codes
- http://www.greenend.org.uk/rjk/2000/05/21/smtp-replies.html
- http://www.networksorcery.com/enp/protocol/smtp.htm
- RFC 3464
- [1]
- 5.5.0 unavailable (bob knows why)
- 5.1.1 something wrong on exchange sewer, probably user unknown
- 5.2.2 over quota
