Android Question Apple Mail Boundaries

William Hunter

Active Member
Licensed User
Longtime User
I am trying to gain an understanding of Apple Mail Boundaries. The following is a text/html and quoted-printable section of a piece of Apple Mail. The boundaries for this section are:

--Apple-Mail-4AC7ABEE-489E-4125-8F9B-F03499988C1A

I would like to know if these boundaries would be duplicated verbatim in ALL Apple Mail where a text/html and quoted-printable section is present, or would these boundaries be specific to this particular piece of mail. Any help greatly appreciated.
B4X:
--Apple-Mail-4AC7ABEE-489E-4125-8F9B-F03499988C1A
Content-Type: text/html;
   charset=utf-8
Content-Transfer-Encoding: quoted-printable

<style type=3D"text/css">div.maildrop_icon {background-image: url('https://w=
ww.icloud.com/mail_resources/icloud_download.png');background-repeat: no-rep=
eat;display: inline-block;margin: 15px 18px 13px 18px;height: 25px;width: 26=
px;}@media(-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {div=
.maildrop_icon {background-image: url('https://www.icloud.com/mail_resources=
/[email protected]');background-size: 25px 26px;}}</style><html><body><=
a href=3D"https://www.icloud.com/attachment/?u=3Dhttps%3A%2F%2Fcvws.icloud-c=
ontent.com%2FB%2FATZoM5zuAHKqmj5k1A_y__SMDQ4kAWAf3Akrxhmkd8i3vfwzUEgIUgQu%2F%=
24%7Bf%7D%3Fo%3DAgMDdHdCCPNcAzjJi0W99zsTsmfwUzzyQyAMZwk5xt2r%26v%3D1%26x%3D3=
%26a%3DB4OO-ubmdpZx2jfCqS7XZ_p-_qmJA9AUQwEACAHIAP8XogCEAxBsQg%26e%3D15260783=
82%26k%3D%24%7Buk%7D%26fl%3D%26r%3DBFBBB73F-7161-47A3-9669-D1C4890A1B33-1%26=
ckc%3Dcom.apple.largeattachment%26ckz%3D273A746F-6C68-49E2-A035-B8241CE41EBD=
%26p%3D16%26s%3DWhDWfx1Mv3Uv8p3JkMYmTwVo6bU&uk=3D-cNHQ2huPmIktEKiZ0FvGg&f=3D=
IMG_3218.MOV&sz=3D86957290" class=3D"x-apple-maildropbanner" data-expiration=
=3D"1526078382000.000000" data-url=3D"https://cvws.icloud-content.com/B/ATZo=
M5zuAHKqmj5k1A_y__SMDQ4kAWAf3Akrxhmkd8i3vfwzUEgIUgQu/IMG_3218.MOV?o=3DAgMDdH=
dCCPNcAzjJi0W99zsTsmfwUzzyQyAMZwk5xt2r&v=3D1&x=3D3&a=3DB4OO-ubmdpZx2jfCqS7XZ=
_p-_qmJA9AUQwEACAHIAP8XogCEAxBsQg&e=3D1526078382&k=3D-cNHQ2huPmIktEKiZ0FvGg&=
fl=3D&r=3DBFBBB73F-7161-47A3-9669-D1C4890A1B33-1&ckc=3Dcom.apple.largeattach=
ment&ckz=3D273A746F-6C68-49E2-A035-B8241CE41EBD&p=3D16&s=3DWhDWfx1Mv3Uv8p3Jk=
MYmTwVo6bU" data-size=3D"86957290"><div style=3D"font: 13px 'Helvetica Neue'=
, sans-serif; color: rgb(128,128,128); font-weight: 300"><div style=3D"heigh=
t:0px; border-top:1px solid #ececec;"></div><div style=3D"overflow: auto;"><=
div style=3D"float:left; margin-right: 62px;"><div style=3D"height:25px; dis=
play:table-cell; vertical-align:bottom">Download Attachment</div><div></div>=
<div style=3D"height:19px; display:table-cell; vertical-align:bottom">Availa=
ble until May 11, 2018</div></div><div style=3D"float: right; width: 62px; m=
argin-left:-62px"><div class=3D"maildrop_icon"></div></div></div><div style=3D=
"height:0px; border-top:1px solid #ececec; margin-bottom: 15px"></div></div>=
</a></body></html>=

--Apple-Mail-4AC7ABEE-489E-4125-8F9B-F03499988C1A

Regards
 

OliverA

Expert
Licensed User
Longtime User
Upvote 0

William Hunter

Active Member
Licensed User
Longtime User
Looking around, I'm saying yes to this. Another example (having only the --Apple-Mail- portion in common with yours):
https://webmasters.stackexchange.co...laptop-iphone-or-ipad-that-is-sending-mail-by
Thank you OliverA. I believe that you are correct. I looked at a few mails recently received from the same source, and the boundaries are all different. Apple Mail seems to confound me from time to time.
B4X:
--Apple-Mail-A7334B63-DCB7-4AD9-8818-02F4E06C685B
Content-Type: text/plain;
    charset=us-ascii
Content-Transfer-Encoding: 7bit

--Apple-Mail-3C6DBA97-8697-4668-A834-FD97A4A9EBB1
Content-Type: text/plain;
    charset=us-ascii
Content-Transfer-Encoding: 7bit
Regards
 
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