Zoho

Zoho is a range of online services promoted to businesses, headquartered in India. It includes an email hosting product with spam filtering, firewall, and block list features.

Domain

  • zoho.com
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451All 451 codes →

smtp;541 5.4.1 Mail rejected by destination domain

Medium severity

452All 452 codes →

smtp;452 <example@zoho.com> Mailbox delivery restricted by policy error

Medium severity

smtp;452 4.3.1 Temporary System Error

Low severity

550All 550 codes →

smtp;550 5.7.1 Email rejected per DMARC policy for zoho.com

smtp;550 5.1.1 <example@zoho.com> User unknown

552All 552 codes →

smtp;552 5.1.1 <example@zoho.com> Mailbox delivery failure policy error

smtp;552 5.7.1 virus [name] detected by Zoho Mail

Critical severity

553All 553 codes →

failed,5.1.1 (bad destination mailbox address),smtp;553 Relaying disallowed,mx.zoho.com

554All 554 codes →

smtp;554 5.2.3 MailPolicy violation Error delivering to mailboxes,mx.zoho.com

smtp;554 5.7.1 Email cannot be delivered. Reason: Email flagged as Spam.

Other email providers

Built with

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