Bulk email
Many messages in one go. Cold email is usually many small sends from many mailboxes, which is still bulk as far as providers are concerned.
Many messages in one go. Cold email is usually many small sends from many mailboxes, which is still bulk as far as providers are concerned.
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Many messages in one go. Cold email is usually many small sends from many mailboxes, which is still bulk as far as providers are concerned.
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- Cold email & deliverability glossary
Plain-language definitions for the terms that come up in cold outreach and email deliverability: bounce rate, catch-all, SPF/DKIM/DMARC, sender reputation, and more.
- Bounce rate — cold email glossary
The share of sent emails a mail server refuses to deliver. A hard bounce means the mailbox does not exist; a soft bounce means it is temporarily unreachable.
- Hard bounce — cold email glossary
A permanent delivery failure: the mailbox does not exist, the domain does not accept mail, or the server has rejected the recipient for good. Hard bounces are the ones that wreck sender reputation.
- Soft bounce — cold email glossary
A temporary delivery failure: a full mailbox, a greylisting delay, or a receiving server that is down. Retrying can succeed; treating every soft bounce as a dead address thins a list for no reason.