Trend Micro

Trend Micro is a spam filter, block list, and firewall solution for promoted for businesses, headquartered in Tokyo. Mail is routed through mailservers owned by Trend Micro (example: *.trendmicro.com). The recipient is able to manage a lot of delivery settings such as spam policy levels and overrides (allow lists).

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550All 550 codes →

smtp;550 5.7.1 <example@example.com>: Recipient address rejected: ERS-Customized-Block.

554All 554 codes →

smtp;554 5.7.1 <example@example.com>: Recipient address rejected: BLOCK-SEND-ER.

smtp;554 5.7.1 <example@example.com>: Recipient address rejected: Invalid-Recipient.

smtp;554 5.7.1 <example@example.com>: Recipient address rejected: NO-DOMAIN.

smtp;554 5.7.1 <example@example.com>: Recipient address rejected: BLOCK-RCPT.

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