There didn't seem to be anything out of the ordinary with our email server, so chances are it had something to do with the email service you use. Some email services (cough, Hotmail) do tend to have problems with such emails as membership confirmations.
In any case, I see that you've posted outside this section, which means that the problem is no longer there. Therefore, I shall mark the issue as resolved.
though your not obliged apparently you are one of the most responsive uploaders when asked for reup, can't help myself for bothering you for this one
[いわいじゅしい] 油断しすぎの妹~リアルな妹の生態~ [RJ315665]