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Email really only deals with the ASCII charset. As a result anything outside of this charset really needs to be base 64 encoded. You are already torturing the mailserver by sending non ascii chars in the body (ie e acute). It may be your CSV contains non ASCII chars and this is causing the mail server to barf.

However, the problem is probably this:

$smtp->datasend("Content-type: multipart/mixed; boundary=\"frontier\"\n"); # needs to be all on one line or like this: $smtp->datasend("Content-type: multipart/mixed; boundary=\"frontier\"\n");

The whitespace before boundary indicates that is the line continuation (it is), but in your code you send it as a header line (it isn't). It does not really explain your symptoms as described, but is wrong and should fail.

As you seem hell bent on rolling your own solution I suggest you base64 encode your CSV and send it as binary. You can just cut and paste the < 30 lines of code from MIME::Base64 encode routine to do this. BTW I would not use just "frontier" as your multipart boundary. "==frontier==", which will become "--==frontier==" would seem a far more improbable boundary.

You can make your code a lot more readable if you use a HEREDOC.

my $body = .... my $attach = .... # base 64 encoded data my $a_name = ..... my $email =<<EMAIL; MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="==frontier==" This is a multi-part message in MIME format. --==frontier== Content-Transfer-Encoding: binary Content-Type: text/plain $body --==frontier== Content-Transfer-Encoding: base64 Content-Type: application/octet-stream; name="$a_name" $attach --==frontier==-- EMAIL $smtp->datasend($email) $smtp->dataend() $smtp->quit;

In reply to Re: Send mail with attachment using only SMTP by tachyon-II
in thread Send mail with attachment using only SMTP by Mad Ant

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    [atcroft]: james28909: No, unless you are a politician, I wouldn't say that (and even if you are, I still probably wouldn't say that).
    [james28909]: i mean how hard can it be? its just subtracting days lol
    [atcroft]: james28909: What about October 5, 1582?
    [stevieb]: atcroft: "Make both hands into fists..."... is something my Ma taught me in our native lang, but I was to ignorant and young to pay attention. Thanks for that :)
    [atcroft]: stevieb: Sad to say that I only recently learned that particular trick, but I have since found it very useful.... :)
    [james28909]: ill be back with a solution eventually
    [stevieb]: it's a reminder to re-inforce it :P
    [atcroft]: james28909: That particular questions was a bit of trick, actually (depending on the country you are in). More interesting is, if you are trying to subtract from an epoch time, for instance, you might have to consider when/if DST occurs for a location,
    [atcroft]: because you may have to adjust the number of seconds you change from an epoch from 86400 (not to mention leap seconds)....

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