[issue21296] smtplib Sends Commands in Lower-Case

Changes by Antoine Pitrou : -- priority: normal -> low type: behavior -> enhancement versions: -Python 3.2, Python 3.3, Python 3.4 ___ Python tracker ___ ___

[issue21296] smtplib Sends Commands in Lower-Case

Changes by R. David Murray : -- components: +email nosy: +barry, r.david.murray ___ Python tracker ___ ___ Python-bugs-list mailing li

[issue21296] smtplib Sends Commands in Lower-Case

Luiji Maryo added the comment: Apologies, I was tired when I looked into this. It turns out that SMTP is explicitly case-insensitive with command names. I still think it'd be nice to use upper-case commands for consistency with the FROM: and TO: lines, though, or to put the FROM: and TO: lines

[issue21296] smtplib Sends Commands in Lower-Case

New submission from Luiji Maryo: It has occurred to me while testing an SMTP server with smtplib that it sends commands in lower-case. This is problematic because, although most SMTP servers seem to be case-insensitive, RFC 5321 (SMTP) doesn't seem to explicitly require this and there may be s