Category: Servers

SMTP reply codes

See rfc2821 for the basic specification of SMTP; see also rfc1123 for important additional information. See rfc1893 and rfc2034 for information about enhanced status codes. Check the RFC index for further mail-related RFCs. Reply codes in numerical order Code Meaning…

E-Mail Testing

Following are the few sites from where we can test our mailserver and domain for testing, reputation and blacklsiting. ┬áBlacklist Checking https://www.blacklistmaster.com/check?t=<ip address> DKIM Testing http://dkimcore.org/c/keycheck IP/Domain Reputation and Scores http://www.senderbase.org/lookup/?search_string=<ip address or domain> https://www.senderscore.org/lookup.php?lookup=<ip address>&validLookup=true http://mxtoolbox.com/ Scan Website for…

Different Types of Server for/on the Internet

A server is a computer that manages resources on a network. There are different types of servers that are available for different needs. Servers that are used to store files are called file servers, and those used to save data…