How Many Cold Emails Can You Send Per Day?

Start with mailbox-level capacity

A campaign limit and a mailbox limit are different. If four eligible mailboxes are each configured for 30 campaign emails per day, the theoretical campaign capacity is 120 per day. Send windows, pauses, provider throttling and suppression checks can make actual throughput lower.

New or recently changed mailboxes deserve lower limits and gradual, observed increases. A provider allowing a large number of messages does not mean that sending that number of unsolicited messages is prudent.

Use realistic campaign math

For 1,000 prospects, four mailboxes at 30 emails per day provide 120 daily first-touch slots. That is about nine sending days before follow-ups compete for capacity. A three-step sequence can require as many as 3,000 total sends if nobody replies or becomes ineligible.

• Count follow-ups in total demand.
• Reserve capacity for normal human email.
• Pause on unusual bounce, complaint or throttle signals.
• Remove unsubscribed and invalid recipients before queueing.

A practical operating rule

Choose a per-mailbox limit from account age, normal activity, audience quality and provider feedback. Review results by mailbox rather than hiding them inside a campaign average. MailQV can distribute eligible work across selected sending accounts while respecting each mailbox’s configured daily limit.