Hi all, After recently finding that email going out from Tarsnap via SendGrid has sporadically had broken DKIM headers added, I've decided to change how I send outgoing email. The Tarsnap mailing lists will still be delivered via SendGrid, but Tarsnap "service" emails -- signup, payment receipts, monthly invoices, and low/negative balance warnings -- will be going out via Amazon SES.
I'm hoping this will result in fewer messages getting stuck in spam filters; but if anyone has hard coded "tarsnap.com email arrives via sendgrid" into SMTP server configurations, you'll need to change that. -- Colin Percival Security Officer Emeritus, FreeBSD | The power to serve Founder, Tarsnap | www.tarsnap.com | Online backups for the truly paranoid