Base URL
smtp.msndr.net
Use port 25 or 587
The use of SSL/TLS encryption is not mandatory. This will be determined automatically according to your application settings. Currently, the server supports TLS 1.2 and 1.3 encryption. The port does not change when using the application.
Authentication
Authentication is performed using your username and password (API key). To obtain an API key, go to your personal account and navigate to Connection and SMTP settings.
Example of an SMTP session:
$ telnet smtp.msndr.net 25
Trying 95.213.163.242...
Connected to smtp.msndr.net.
Escape character is '^]'.
220 smtp.msndr.net ESMTP service ready
ehlo sender
250-smtp.msndr.net
250-STARTTLS
250-AUTH PLAIN LOGIN
250-PIPELINING
250 8BITMIME
auth plain AHVzZXJAZXhhbXBsZS5vcmcAc29tZS1zdXBlci1wdXBlci1zZWNyZXQta2V5
235 authentication ok
mail from: mail@from.com
250 Ok
rcpt to: rcpt@to.com
250 Ok
rcpt to: rcpt1@to.com
250 Ok
data
354 End data with <CR><LF>.<CR><LF>
From: Mail From <mail@from.com>
Subject: Hello
X-Client-Id: 123
How are you doing?
.
250 Message accepted (sent messages <rcpt@to.com:1>,<rcpt1@to.com:2>)
quit
221 smtp.msndr.net closing connection
Connection closed by foreign host.
If your message is sent successfully, you will receive a response containing information about the message.
This string will contain the email addresses of the recipients and the message ID, separated by commas, in the format <email:id>.
You can add your own headers to the message you are sending, for example X-My-Header: my value. As in the example, the header Client-Id: 123 was transmitted
