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Judging from some of the experiences upthread, even that isn't enough. Billing messages from google themselves and gsuite-to-gsuite messages getting spammed.
by Karunamon 7y ago
Judging from some of the experiences upthread, even that isn't enough. Billing messages from google themselves and gsuite-to-gsuite messages getting spammed.
- aidenn0 7y agoAny source can have some fraction their messages treated as spam; I was just saying that if you take a random IP address and set it up as SMTP, you will have trouble getting any messages through, even if DKIM &c. are setup correctly. If you send too few messages, you're untrusted.