What is an MTA (Mail Transfer Agent)?
A mail server can go by many names: mail relay, mail router, Internet sender. But the most common alias is an MTA. This can refer to a mail transfer agent, message transfer agent, or mail transport agent. Whatever name you use, MTAs play a critical role in the Internet’s message handling system. They transfer email messages between users. In this article, we’ll explore how MTAs work, what effect they have on email deliverability, and many other relat questions.
What is an MTA
A mail/message transfer agent (MTA) is software that transfers emails between the computers of a sender and a recipient.
How MTAs work
An MTA is just one element of the email delivery process. It receives an email from the mail/message delivery agent (MSA), which, in turn, receives it from the mail user agent (MUA). The MUA is commonly referr to as an email client, an application that you use to handle things relat to email.
Once the MTA receives the email, relaying comes into play. This is why mail transfer agents are often call mail relays. Check out our blog post on SMTP relaying if you are interest in more details. Email can be forward to other MTAs if the recipient germany telegram data is not host locally. It then reaches the mail.
Mail queue at MTA
Does MTA affect email deliverability
There are three main factors that influence you can connect the number and make calls to other devices email deliverability:
Sender reputation
Infrastructure and authentication
Content
The reputation of the domain and IP address from which the email is sent is the most important thing. When the receiving mail servers identify the sender as untr bw lists ustworthy, all emails end up in the spam folder or even bounce back.