In many systems, once you hit the ` send'button, your e-mail message goes to what is called a SMTP ( simple mail transfer protocol ) server.
22.
One such intolerant system is the qmail mail transfer agent that actively refuses to accept messages from systems that send bare instead of the required +.
23.
A third-party mail transfer program, called " Mailrun ", was developed which allows GT Power Network systems to transfer mail using the bi-directional HS / Link protocol.
24.
"' MeTA1 "'is a mail transfer agent ( MTA ) that has been designed with these main topics in minds : security, reliability, efficiency, configurability and extendibility.
25.
"' OpenSMTPD "'is a Unix system daemon implementing the Simple Mail Transfer Protocol to deliver messages on a local machine or to relay them to other SMTP servers.
26.
The mail transfer program, called " MDRIVer ", was used to dial other GT Power systems, to authenticate their identity, and to transfer mail between the two systems.
27.
Because SMTP proxies do not store messages like a mail transfer agent ( MTA ) does, they can reject SMTP connections or message content in Internet email system.
28.
Analysis of an email's conformation to RFC standards for the Simple Mail Transfer Protocol ( SMTP ) can be used to judge the likelihood of the message being spam.
29.
Enforcing technical requirements of the Simple Mail Transfer Protocol ( SMTP ) can be used to block mail coming from systems that are not compliant with the RFC standards.
30.
Some applications, however, never use trailing dots to indicate absoluteness, because the underlying protocols require the use of FQDNs, such as the Simple Mail Transfer Protocol ( SMTP ).
