Fixes #464077.
As explained by the submitter, user@rss2email.invalid is less
verbose and simpler to understand.
### Options for configuring rss2email ###
# The email address messages are from by default:
-DEFAULT_FROM = "bozo@dev.null.invalid"
+DEFAULT_FROM = "user@rss2email.invalid"
# 1: Send text/html messages when possible.
# 0: Convert HTML to plain text.
### Vaguely Customizable Options ###
# The email address messages are from by default:
-DEFAULT_FROM = "bozo@dev.null.invalid"
+DEFAULT_FROM = "user@rss2email.invalid"
# 1: Send text/html messages when possible.
# 0: Convert HTML to plain text.