In order to prevent spam, there is a mechanism that limits the number of messages you can send. You will see a warning in your personal account. If you do not agree with this solution, please contact technical support.
If this situation occurs, you may see the following errors when sending:
When sending via API:
{
"errors": [
{
"code": 429,
"detail": "Too many messages. Try again in 92 seconds."
}
]
}
When sending via SMTP:
$ 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
550 Too many messages. Try again in 92 seconds.
Connection closed by foreign host.