ウチで借りているレンタルサーバのSMTPを使ってHotmail(Hotmail.com/co.jp共に)宛に送信すると、spam扱いされてしまう件の対処と顛末。 Subject: failure notice Hi. This is the qmail-send program at www.********.**. I'm afraid I wasn't able to deliver your message to the following addresses. This is a permanent error; I've given up. Sorry it didn't work out. ***********@hotmail.co.jp*: Connected to **.**.***.** but sender was rejected. Remote host said