[SES] Sending emails marked as spam

Hi Gary, thanks for your assistance. Here are the GMAIL headers -

Delivered-To: someone@gmail.com Received: by 2002:a2e:9e48:0:b0:2b9:3b47:eeea with SMTP id g8csp922746ljk; Tue, 18 Jul 2023 00:10:52 -0700 (PDT) X-Google-Smtp-Source: APBJJlF9IV1o64KaGDU1cHue9XbhtEZfN3e3qKo1CWShmElNDrkOMSSE4udhDRQS1h2+J/AqhGKY X-Received: by 2002:a05:600c:2184:b0:3fb:ff34:a846 with SMTP id e4-20020a05600c218400b003fbff34a846mr1120907wme.22.1689664252076; Tue, 18 Jul 2023 00:10:52 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1689664252; cv=none; d=google.com; s=arc-20160816; b=acMO2z0pZASBSB5QOhFKqIgQhYrhIjp6LDQ8pirRrT79gRiC6WF+M8UUHCeOl0XplR 4csmfsFW5F9ZRhCH8WmsWEyjjoQa14iidanO20EFfdQjLUTINaXTF+lxSv3GZ/zx/ghO tSRcnLEIGJSU3v20KRxki6Fiyj0GYVEq5QOGZVA43Cy1A1IxhGc9wN3FEGyDWXbtZKRK YdqajHiY+lhvV+NdJvu48rH3eddTYfWLw+OpT/xG1cpzHRncPVxXoi+5JGhZCGhdwXXA S/IEbn9WlGvCZBB9NWFCBi1F337mOHgEtxaQ4Dr4IxhwmT+6rhdylT6XgL+M4+wIDMz4 hpsw== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=feedback-id:subject:to:content-transfer-encoding:mime-version :list-unsubscribe:message-id:from:date:dkim-signature:dkim-signature; bh=B5TTODPcGwUhheNQQGkN/7Am7Cg+2CGdfH2dmYjkEB4=; fh=Z1q6bnclz5OO+ROI3JzXV/YhtrPcKrvqEdv7yOVJSIA=; b=y49SighE9q5wex1eihKEsTHJ0V1jQMGR72UrNQc/85lLqsDr4Spg0fHgwQwaJFIQzm nAPBbWtmfKpb6lCEFWjcjqGxX4tk+kZKPNAySYNdpcYLS8kw1beV9pDhxf1F8ht64jm3 WTULNgqRhr8AghHmxxlLQ7vWdgSEmLF3nKM7O/hFVm90hM9sXeoV52Gm8RS6eYgkbHKZ dQM7K67dR3K1e5TOh263Jvm3mu2qkbyeAcXD2qv+pGJJE9srrW0ikyP52UEuHjratD1T vpjLMB/Kq304E7xOhTko1GwnOgiu1TKZ8HCNf7kAyhXMJEOXL+UUQV//uFowEGpzxeBY HCmA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@mydomain.com header.s=bmrltrccy4r27ypt77jdfk26fg4stzhu header.b=QZJJxTft; dkim=pass header.i=@amazonses.com header.s=sokbgaaqhfgd6qjht2wmdajpuuanpimv header.b=BCYRyUNP; spf=pass (google.com: domain of 0107018967d665be-58906778-5359-433f-81a9-baaa0bba4045-000000@eu-central-1.amazonses.com designates SEREVERIP as permitted sender) smtp.mailfrom=0107018967d665be-58906778-5359-433f-81a9-baaa0bba4045-000000@eu-central-1.amazonses.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mydomain.com Return-Path: 0107018967d665be-58906778-5359-433f-81a9-baaa0bba4045-000000@eu-central-1.amazonses.com Received: from b224-18.smtp-out.eu-central-1.amazonses.com (b224-18.smtp-out.eu-central-1.amazonses.com. [SEREVERIP]) by mx.google.com with ESMTPS id h8-20020a05600c350800b003fbc7df68fdsi795995wmq.205.2023.07.18.00.10.51 for someone@gmail.com (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 18 Jul 2023 00:10:52 -0700 (PDT) Received-SPF: pass (google.com: domain of 0107018967d665be-58906778-5359-433f-81a9-baaa0bba4045-000000@eu-central-1.amazonses.com designates SEREVERIP as permitted sender) client-ip=SEREVERIP; Authentication-Results: mx.google.com; dkim=pass header.i=@mydomain.com header.s=bmrltrccy4r27ypt77jdfk26fg4stzhu header.b=QZJJxTft; dkim=pass header.i=@amazonses.com header.s=sokbgaaqhfgd6qjht2wmdajpuuanpimv header.b=BCYRyUNP; spf=pass (google.com: domain of 0107018967d665be-58906778-5359-433f-81a9-baaa0bba4045-000000@eu-central-1.amazonses.com designates SEREVERIP as permitted sender) smtp.mailfrom=0107018967d665be-58906778-5359-433f-81a9-baaa0bba4045-000000@eu-central-1.amazonses.com; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=mydomain.com DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=bmrltrccy4r27ypt77jdfk26fg4stzhu; d=mydomain.com; t=1689664251; h=Date:From:Message-ID:List-Unsubscribe:MIME-Version:Content-Type:Content-Transfer-Encoding:To:Subject; bh=6LnPRPy3Hj9Vh0Q3I5qqzlnR65FZMXySlGxm8h8z6iQ=; b=QZJJxTftdNbEgYfdEzEhjK01yHAeCW/G9LmqduLPaMLSso1s1PjW9DDLpP/0wWC+ 65u3f3XURGo54bhei89TPA7XIDZAksGKaRM67NZeDW33Obq9hbo0KVgbR2/TB4964wc Orwb5MnHpc2Q4AT3iOo0wafW9QnpBZP9aHju6ecLsYOdbRCiFGogdHXtCWnAnXc2dwl IgsqaK9fe9yhCKtdIauXUjdNWekzC1PCvDZm1GxnsanCm4fAvo6xzBVjUz/PdVBg8D3 PSBg4B1MKASDWPP1bg56z5n+Wehwp+kvXM2SAs4z678kGJs+0A3hJTVVl0oYcEtgydP /ALwlTMYMg== DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/simple; s=sokbgaaqhfgd6qjht2wmdajpuuanpimv; d=amazonses.com; t=1689664251; h=Date:From:Message-ID:List-Unsubscribe:MIME-Version:Content-Type:Content-Transfer-Encoding:To:Subject:Feedback-ID; bh=6LnPRPy3Hj9Vh0Q3I5qqzlnR65FZMXySlGxm8h8z6iQ=; b=BCYRyUNPGWbXsbR++tqSaMJwDiQ54GHIsBaSmA7n8/I/n6LLXt1+MumhUkjgV5x2 q0G5vgrJ+5WIiR/6XMjWw0b/Q/TIcywYDrBKrmZRNax6bkS2TEIh7jvVpoq48ueip5W EXt7qs4FXfWhDXvQ3ZreYfRMiSawn4895h1MDfb0= Date: Tue, 18 Jul 2023 07:10:51 +0000 From: "some text - mydomain.com" user@mydomain.com Message-ID: 0107018967d665be-58906778-5359-433f-81a9-baaa0bba4045-000000@eu-central-1.amazonses.com X-Mailer: PHPMailer 6.7 (https://github.com/PHPMailer/PHPMailer) List-Unsubscribe: https://mydomain.com/?fluentcrm=1&route=unsubscribe&secure_hash=somehash MIME-Version: 1.0 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: quoted-printable To: "gmail user" someone@gmail.com Subject: SUBJECT Feedback-ID: 1.eu-central-1.AxN/1ebc3u9EnLyfP23mxVRyrWVNckYdkNG1USvpCQA=:AmazonSES X-SES-Outgoing: 2023.07.18-SEREVERIP

If you could share the email headers from GMAIL (Removing anything Sensitive) it would be intresting to know.

You need to ensure SPF records are correct along with MX records etc