[Slackbuilds-users] Email address rejected

Nick Warne nick at linicks.net
Tue Jan 7 19:52:09 UTC 2014

Thomas Morper wrote, On 07/01/14 19:17:
> On Tue, 24 Dec 2013, Rob McGee wrote:
>> The function is very simple, as Erik has explained before. When a
>> build is submitted, the PHP code looks up the MX host for the given
>> address. It makes an SMTP connection thereto, and does a simple test:
>> MAIL FROM:<slackbuilds-users at slackbuilds.org>
>> RCPT TO:<your at email.address>
>> If it gets a "250 OK [...]" response all is well and your build is
>> accepted. If not, it assumes your email address is bad. No attempt to
>> send actual mail is sent; in either case the PHP code will "QUIT"
>> next.
> Without knowing the exact implementation, wouldn't it be better to assume
> a bad e-mail address only when receiving a 5xx permanent error?

No, that is a can for worms.  You can set the mail server to send 
whatever to certain address depending on certain criteria - or even drop 
(like I do with certain domains).

The only way to be sure is get an OK.

This is why using a decent mail server counts.

FSF Associate Member 5508

More information about the SlackBuilds-users mailing list