Zoho Mail Sending Limits (and How to Send More)

Hitting Zoho Mail sending limits? Here is what they are and how to scale past them.

Zoho Mail limits

Zoho caps daily sends per mailbox; bulk campaigns require Zoho Campaigns or a dedicated provider.

How to send more

• Move to a dedicated sending domain and IP.
• Authenticate fully and warm up gradually.
• Segment and keep complaints low.

How Rainmail helps

Rainmail sends from your own domain on a dedicated, isolated IP with SPF, DKIM, DMARC, reverse-DNS and managed warm-up handled for you, a REST API, and an AI watching deliverability — and it welcomes senders SES, SendGrid and Mailchimp reject, from $8. Run the free checker or see plans.