Email provider
Mail.ru SMTP Error Codes and Bounce Messages
Mail.ru is a large Russian ISP and mail provider with firm published sending rules, including a ban on link shorteners. Registering sending domains with its postmaster tools gives direct reputation data.
- Codes on record
- 1
- Responses
- 3
- Domains
- mail.ru
SMTP 5503 responses
smtp;550 Message was not accepted -- invalid mailbox. Local mailbox [email protected] is unavailable: account is disabled
smtp;550 spam message rejected. Please visit http://help.mail.ru/notspam-support/id?c=7y4ytdHbuOGv3O50NYTwpz1F-TVIpnactxtFPeFQSDYMAAAAaKgAAOX_3hE~ or report details to [email protected]. Error code: ###. ID: #
smtp;550 Message was not accepted -- invalid mailbox. Local mailbox [email protected] is unavailable: account is disabled
A hard failure. The receiving server has refused the message for good and will not accept an unchanged retry without a change on the sending side. See SMTP 550 across every provider
Mail.ru bounce questions
›Why is Mail.ru bouncing my email?
Mail.ru is a large Russian ISP and mail provider with firm published sending rules, including a ban on link shorteners. Registering sending domains with its postmaster tools gives direct reputation data. Match the exact wording of your bounce to one of the 3 responses on this page to find the specific reason and fix.
›How do I improve deliverability to Mail.ru?
Authenticate with SPF, DKIM and DMARC, keep your sending IP and domain reputation clean, mail only engaged recipients, and honour unsubscribes. Mail.ru also publishes postmaster guidance, linked on this page.
