commit af1bda8fe5eea19660473b8bb1a5ef15756dd5c9
from: Oliver Lowe <o@olowe.co>
date: Mon Mar 18 04:56:02 2024 UTC

apub: use RFC5322-compatible timestamp in Date in header

RFC822 makes Spamassassin unhappy and I learned isn't actually
compliant with revisions to the message spec!

commit - a00f14b4484c749ac2943e42e21ad00076acdaeb
commit + af1bda8fe5eea19660473b8bb1a5ef15756dd5c9
blob - b0629b9bdee6b6ad3ae1f7765b27869f29cfac28
blob + 458c8f0cb20eb90b6cf6df2fd6cf78733b74ee13
--- mail.go
+++ mail.go
@@ -81,7 +81,7 @@ func marshalMail(activity *Activity, client *Client) (
 	}
 	msg.Header["CC"] = addrs
 
-	msg.Header["Date"] = []string{activity.Published.Format(time.RFC822)}
+	msg.Header["Date"] = []string{activity.Published.Format(time.RFC1123Z)}
 	msg.Header["Message-ID"] = []string{"<" + activity.ID + ">"}
 	msg.Header["Subject"] = []string{activity.Name}
 	if activity.Audience != "" {