1curl \
2 --url 'smtp://sandbox-smtp.mailcatch.app:2525' \
3 --user '<username>:<password>' \
4 --mail-from from@example.com \
5 --mail-rcpt to@example.com \
6 --upload-file - <<EOF
7From: Magic Elves <from@example.com>
8To: Mailcatch Inbox <to@example.com>
9Subject: Hello, I'm a subject.
10Content-Type: multipart/alternative; boundary="boundary-string"
11
12--boundary-string
13Content-Type: text/plain; charset="utf-8"
14Content-Transfer-Encoding: quoted-printable
15Content-Disposition: inline
16
17Hello, I'm a message.
18
19--boundary-string
20Content-Type: text/html; charset="utf-8"
21Content-Transfer-Encoding: quoted-printable
22Content-Disposition: inline
23
24Hello, I'm a message.
25
26--boundary-string--
27EOF