Blocked — Emails Gmail //top\\

The sender used a new shared IP that previously sent crypto spam. Google’s IP reputation cache carried over.

increase(smtp_550_5_7_1_total[5m]) > 10 Scenario: A tech newsletter with 95% open rate suddenly gets blocked by Gmail. blocked emails gmail

status=bounced (host gmail-smtp-in.l.google.com[142.250.125.27] said: 550-5.7.1 Our system has detected an unusual rate of unsolicited mail) Or in the header of a delivered email: The sender used a new shared IP that