Dear Mailop, Since the beginning of this month we have seen Gmail bringing up a 'Suspicious Link' warning when clicking a link. The behaviour is very inconsistent; warnings can appear and then not appear when testing with the same IP, sender subdomain, content, etc and only a few minutes difference.
Others have also recently reported this issue, e.g. see: Others have also reported this recently; see https://support.google.com/mail/thread/4242603?hl=en I was wondering if anyone here in Mailop has seen these warnings and how they managed to solve it. Example with a tracked link: [cid:[email protected]] Example with an untracked link (to google.be): [cid:[email protected]] Things we tested on our side: * Check the subdomain reputation in Google Postmaster: ok * Check the IP reputation in Google Postmaster: ok * Check the Spam Complaint rate for the subdomain in Google Postmaster: ok * Check that the IP is not on any blacklists: ok * Check that the subdomain does not make too many redirects: ok * Run a Spamassasin check on the content: ok * Run a Google Safe Browsing check on the subdomain (using https://transparencyreport.google.com/safe-browsing/search): ok * Check that all authentication is resolving (SPF, DKIM & DMARC): ok * Check that that TLS 1.2 is enabled and used with Gmail: ok * Check that the subdomain has a valid SSL record: ok Since we can't see any issues in these checks, we reached out to Google via their Bulk Sender Contact Form; but without much luck so far. Any hints as to what could be causing this would be much appreciated. Kind regards, Jon - - - - - Jon Burke Deliverability Consultant email [email protected]<mailto:[email protected]> mobile +44 7990 069 027 SELLIGENT MARKETING CLOUD CONSUMER-FIRST MARKETING www.selligent.com<http://www.selligent.com/> [cid:[email protected]]
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