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Showing 3 articles tagged "email".

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Is Cold Email Legal? CAN-SPAM Rules for B2B Outreach (2026)
Platform Comparisons Oct 26, 2026

Is Cold Email Legal? CAN-SPAM Rules for B2B Outreach (2026)

US law allows cold email without consent but is strict about how it is sent. The eight CAN-SPAM requirements, the penalties, and …

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How Many Cold Emails per Day per Inbox? Safe Volume and Provider Limits (2026)
Platform Comparisons Oct 26, 2026

How Many Cold Emails per Day per Inbox? Safe Volume and Provider Limits (2026)

Providers allow thousands of emails a day; safe cold volume is 20 to 50 per inbox. The hard limits, Gmail's spam-rate rules …

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Outlook Bulk Sender Requirements: SPF, DKIM, DMARC and the 550 5.7.515 Error (2026)
Platform Comparisons Oct 26, 2026

Outlook Bulk Sender Requirements: SPF, DKIM, DMARC and the 550 5.7.515 Error (2026)

Since May 2025, Outlook.com rejects mail from high-volume domains that fail SPF, DKIM or DMARC. The exact rules, the error, how to …

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