Hi Will, On Sun, 18 Sep 2016 16:04:40 -0700 William Sloan wrote: X-Mailer: Apple Mail (2.3124) > I have a long running email thread with some friends that > yesterday when I attempted to reply to a message I got an error that > the message could not be delivered because it was not RFC 2822 > compliant. I had responded to this email thread in the past with no > issues and I can send and receive other emails without any issues. >
Check for updates to your Apple Mail client. Some older versions don't wrap headers. As it is a long thread, there are probably many entries in the References: header, making the lines tooooo loooonnng. -- You received this mail because you are subscribed to misc@opensmtpd.org To unsubscribe, send a mail to: misc+unsubscr...@opensmtpd.org