Mail.ru / SMTP error code 550
smtp;550 spam message rejected. Please visit http://help.mail.ru/notspam-support/id?c=7y4ytdHbuOGv3O50NYTwpz1F-TVIpnactxtFPeFQSDYMAAAAaKgAAOX_3hE~ or report details to abuse@corp.mail.ru. Error code: ###. ID: #
High severity
While a message being rejected as spam isn't good news for anyone, this bounce response is especially helpful for those who don't typically send to Russian domains. In those cases, you'll see this bounce when online forms are being exploited by spam bots repeatedly victimizing Mail.ru recipients. Please check all of your online forms to be sure that they are properly protected.
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