Vero
An email marketing automation platform (brand/tool name) referenced in the source list.
VMC
Verified Mark Certificate: a certificate validating a brand’s logo ownership for BIMI implementations in supporting inboxes.
Warm reputation
A well-established, stable positive reputation for a domain/IP with mailbox providers, supporting consistent inbox placement.
Warmup/ramp-up
Gradually increasing send volume on a new or changed domain/IP to build positive reputation and avoid filtering/deferrals.
Whitelisting
Whitelisting is the practice of explicitly approving a sender/domain so their messages are more likely to reach the inbox (e.g., adding to an email client’s safe-sender list).