LNET email:  PDF attachment is not readable
lazarus / 38-Networking and Web Programming

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luckylynx · 2016-12-25 15:28

Hi experts,
I am struggling with LNET sending attachments which are in a binary
format like PDF or JPG. Simple text attachment works fine.
My e-mail provider requires a handshake and authentification first
before sending the mail. In LNET I make the connection first on Port
25, switch to 465 and SSL and the mail with attachment can be send
successfully. So far so good, but when I open the attachment, it is
not readable anymore.
Could this be a problem of the MIME message type and how to change it?
A test with Xmailer went fine ( attachment is readable) but with
Xmailer the SSL /TLS connection is only possible on Port 25 and not
with SSL/TLS on Port 465.

Win 10- 32 Bit, Lazarus 1,4,4. FPC 2.6.4, LNET 0.6.5
Thanks for any idea.

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luckylynx · 2016-12-28 10:14

Hi,
as my wrote in my post, Xmailer worked fine with Port 25 and I solved
the problem by try and error ( changed the e-mail provider an using
now port 587 with SSL/ TSL )
It took me days just to read all posts together with installing and
deinstalling different programs and variants.
What I found out is, that almost everone is struggling by programming
a solid e-mail system. There are so many obstactles to overcome ( and
mostly related to the e-mail providers), documentations or even not
enough knowledge (like me).
If someone with enough knowledge could develop a programm, which is
easy to use and self checking how to connect properly with the
provider to send the mail. This would help a lot of users.
Thanks

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JanRoza · 2016-12-28 14:02

Why not use Mozilla Thunderbird, it has all that you need in one
program?