/for-email-admins/spamstop-app/ a spam filter based on email authentication and authorized senders Hugo en /for-email-admins/spamstop-app/spf-check/ Mon, 01 Jan 0001 00:00:00 +0000 /for-email-admins/spamstop-app/spf-check/ spf-based email sender check /for-email-admins/spamstop-app/dkim-check/ Mon, 01 Jan 0001 00:00:00 +0000 /for-email-admins/spamstop-app/dkim-check/ dkim-based sender and email seal check /for-email-admins/spamstop-app/dmarc-alignment/ Mon, 01 Jan 0001 00:00:00 +0000 /for-email-admins/spamstop-app/dmarc-alignment/ at least one of the domains must align with the sending From domain /for-email-admins/spamstop-app/double-spam-tags/ Mon, 01 Jan 0001 00:00:00 +0000 /for-email-admins/spamstop-app/double-spam-tags/ two SPAM tags added to the subject to highlight fraud /for-email-admins/spamstop-app/client-side-sender-filter/ Mon, 01 Jan 0001 00:00:00 +0000 /for-email-admins/spamstop-app/client-side-sender-filter/ to receive in your inbox only the senders you have previously authorized /for-email-admins/spamstop-app/server-side-sender-filter/ Mon, 01 Jan 0001 00:00:00 +0000 /for-email-admins/spamstop-app/server-side-sender-filter/ to receive email messages only from the senders that you have previously authorized /for-email-admins/spamstop-app/security-settings/ Mon, 01 Jan 0001 00:00:00 +0000 /for-email-admins/spamstop-app/security-settings/ to protect your email boxes from unwanted senders and dangerous attachments