[Haskell-cafe] Amazon SES email issues

Fri Apr 29 06:45:23 UTC 2016

Hi everyone,
I'm having issues with sending email through Amazon SES. I'm using the
*Network.Mail.Mime.SES* package. The error I get is:

*email-test-exe: SESException {seStatus = Status {statusCode = 403,
statusMessage = "Forbidden"}, seCode = "SignatureDoesNotMatch", seMessage =
"The request signature we calculated does not match the signature you
provided. Check your AWS Secret Access Key and signing method. Consult the
service documentation for details.", seRequestId =
"8ceb250a-0dd3-11e6-892c-4fb1a14d4732"}*

What's confusing is that I'm using the same SES settings in a Rails app as
well as a small Rust console program without any issues (it works from the
same machine too). The only thing I can think of is that with this Haskell
package, I haven't found where to set certain things like the port number
(587) and so maybe it's that? Here is a small sample app that illustrates
the problem. What am I missing? Thanks.

*{-# LANGUAGE OverloadedStrings #-}{-# LANGUAGE QuasiQuotes #-}*
*module Main where*

*import Data.Function ((&))import GHC.Genericsimport
Network.HTTP.Clientimport Network.HTTP.Client.TLSimport
Network.Mail.Mimeimport Network.Mail.Mime.SESimport Text.Hamlet
(shamlet)import Text.Blaze.Html.Renderer.String (renderHtml)import
qualified Data.ByteString.Char8 as C8import qualified Data.Text as Timport
qualified Data.Text.Lazy as LTmain :: IO ()main = do  manager <- newManager
tlsManagerSettings  let sesConfig = SES { sesFrom = C8.pack
"de at somewhere.com <de at somewhere.com>",                        sesTo = [
C8.pack "someone.else at somewhereelse.com <someone.else at somewhereelse.com>"
],                        sesAccessKey = "SOMEAWSACCESSKEY",
        sesSecretKey = "ANEVENLONGERAWSSECRETKEY1234567890",
        sesRegion = usEast1 }      email = Mail { mailFrom = Address (Just
"David Escobar") "de at somewhere.com <de at somewhere.com>",
 mailTo = [ Address (Just "Someone Else") "someone.else at somewhereelse.com
<someone.else at somewhereelse.com>" ],                     mailParts = [ [
htmlPart testEmail ] ],                     mailCc = [],
 mailBcc = [],                     mailHeaders = [ ("subject", "Some Test
Email"),                                     ("Content-Type", "text/html;
charset=ISO-8859-1") ] }  renderSendMailSES manager sesConfig
emailtestEmail :: LT.TexttestEmail =  let rows = [ [ "1", "2", "3" ], [
"4", "5", "6" ]]  in    renderHtml [shamlet|      $doctype 5      <html>
    <body>          <table style="border: 1px solid black; border-collapse:
collapse; margin: 25px 0; width: 100%;">            <tr>              <th
style="background-color: #072a2d; color: white; font-weight: bold;
border-right: 1px solid white; padding: 5px 10px; width: 33%;">
    Column 1              <th style="background-color: #072a2d; color:
white; font-weight: bold; border-right: 1px solid white; padding: 5px 10px;
width: 33%;">                Column 2              <th
style="background-color: #072a2d; color: white; font-weight: bold;
border-right: 1px solid white; padding: 5px 10px; width: 33%;">
    Column 3            $forall row <- rows              <tr
style="background-color: #f8f9ee;">                <td style="border: 1px
solid black; padding: 5px 10px; text-align: left; width: 33%;">
      #{T.pack $ row !! 0}                <td style="border: 1px solid
black; padding: 5px 10px; text-align: left; width: 33%;">
#{T.pack $ row !! 1}                <td style="border: 1px solid black;
padding: 5px 10px; text-align: left; width: 33%;">
#{T.pack $ row !! 2}    |] & LT.pack*
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