On 5/21/2026 11:27 AM, SecOps, Dev via mailop wrote:
421#4.4.5 Too many connections from your host.
Most SMTP servers enforce limits such as: - max connections per IP - max concurrent sessions - rate limits per time window You are exceeding one of these limits. As a first measure, you may - limit to 1–5 concurrent connections - add delays between sends (e.g., 200–1000ms) -- Aban Dokht [email protected] ------------------------------------------------------------------ _______________________________________________ mailop mailing list [email protected] https://list.mailop.org/listinfo/mailop
