Submit a sample message from the affected IP here: https://support.google.com/mail/contact/gmail_bulk_sender_escalation They rarely respond, but they do sometimes address issues based on submissions.
Cheers, Al Iverson On Fri, Oct 13, 2023 at 7:25 AM Fernando MM via mailop <mailop@mailop.org> wrote: > > Hi, > > I'm debugging an issue with gmail classifying a simple confirmation email as > spam. > > At my gmail account it displays "Why is this message in spam? It is similar > to messages that were identified as spam in the past.". And at a coworker's > account it's displaying the "This message seems dangerous" phishing warning. > > If I send this message from another IP at the same /24 range, it works fine > and it's delivered to the inbox. No spam/phishing warnings. Also no > differences in SPF, DKIM etc. > > The issue is that when I check Gmail's Postmaster panel, both IPs have a HIGH > reputation. > > We also have the historical reputation ( since 2021 ) for these IPs saved > locally and they never had a single Medium/Bad day. > > Did anyone here had similar issues in the past? Were you able to fix it > somehow? > > Thanks. > > > > _______________________________________________ > mailop mailing list > mailop@mailop.org > https://list.mailop.org/listinfo/mailop -- Al Iverson / Deliverability blogging at https://www.spamresource.com Subscribe to the weekly newsletter at https://ml.spamresource.com DNS Tools: https://xnnd.com / (312) 725-0130 / Chicago (Central Time) _______________________________________________ mailop mailing list mailop@mailop.org https://list.mailop.org/listinfo/mailop