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is there anyway to Send Email to someone in Qt?

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  • JonBJ JonB

    @opengpu
    You have asked about sending email from Qt. And been advised to look at a couple of simple SMTP clients for this. That will send emails to anyone/any server.

    Why do you then start asking about SMTP/IMAP servers? Unless you have some special need for one, you should not be looking at servers at all.

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    opengpu
    wrote on last edited by
    #10

    @JonB thank you. got it. and all the company supply email service do have its server.

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    • raven-worxR raven-worx

      @opengpu
      not directly, only with 3rd party libs:
      https://github.com/cutelyst/simple-mail
      https://github.com/bluetiger9/SmtpClient-for-Qt
      ...
      and a SMTP server of course.

      or via IMAP server
      http://trojita.flaska.net/

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      opengpu
      wrote on last edited by
      #11

      @raven-worx said in is there anyway to Send Email to someone in Qt?:

      https://github.com/cutelyst/simple-mail
      https://github.com/bluetiger9/SmtpClient-for-Qt

      which one is better ?

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      • O Offline
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        opengpu
        wrote on last edited by
        #12

        and is there any one for POP3 ?

        JonBJ 1 Reply Last reply
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        • O opengpu

          and is there any one for POP3 ?

          JonBJ Offline
          JonBJ Offline
          JonB
          wrote on last edited by
          #13

          @opengpu
          Any what for POP3? Read email client? Did you try Googling for Qt POP3 client (for which there are plenty of hits), or do you expect us to do the Googling and let you know?

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          • JonBJ JonB

            @opengpu
            Any what for POP3? Read email client? Did you try Googling for Qt POP3 client (for which there are plenty of hits), or do you expect us to do the Googling and let you know?

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            opengpu
            wrote on last edited by
            #14

            @JonB no, i want to send email at my Qt app

            J.HilkJ 1 Reply Last reply
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            • O Offline
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              opengpu
              wrote on last edited by
              #15

              i saw there is the setting at some email site; there are:
              POP3 server
              SMTP server
              IMAP server

              JonBJ 1 Reply Last reply
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              • O opengpu

                @JonB no, i want to send email at my Qt app

                J.HilkJ Offline
                J.HilkJ Offline
                J.Hilk
                Moderators
                wrote on last edited by
                #16

                @opengpu said in is there anyway to Send Email to someone in Qt?:

                I want to send email at my Qt app

                same difference, the previously mentioned clients should also be able to request from the sever, if new e-mails are available and forward it to your code.


                Be aware of the Qt Code of Conduct, when posting : https://forum.qt.io/topic/113070/qt-code-of-conduct


                Q: What's that?
                A: It's blue light.
                Q: What does it do?
                A: It turns blue.

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                • VRoninV Offline
                  VRoninV Offline
                  VRonin
                  wrote on last edited by
                  #17

                  POP3 is to receive emails and is obsolete.
                  IMAP is to receive emails.
                  SMTP is to send emails.

                  Most servers both private corporate or services (like gmail) provide SMTP.
                  If that protocol is unavailable the most common reason is that your company is using a very restrictive instance of Microsoft Exchange. In that case you can use EWS with C++/CLI or manually by sending SOAP messages.

                  The main takeaway here is: find out if the email server allows for SMTP and if it does use that

                  "La mort n'est rien, mais vivre vaincu et sans gloire, c'est mourir tous les jours"
                  ~Napoleon Bonaparte

                  On a crusade to banish setIndexWidget() from the holy land of Qt

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                  • O opengpu

                    i saw there is the setting at some email site; there are:
                    POP3 server
                    SMTP server
                    IMAP server

                    JonBJ Offline
                    JonBJ Offline
                    JonB
                    wrote on last edited by JonB
                    #18

                    @opengpu
                    You seem to be making things pretty complicated for yourself, possibly because you have not read up on SMTP/POP3/IMAP.

                    Your question is about sending emails, from your Qt app. For that all you need is SMTP client code in your app, and knowledge of which SMTP server you wish it to connect to send the email, e.g smtp.gmail.com if you have a Gmail account.

                    POP3/IMAP are for retrieving emails from a server. You have never asked for that. Unless you now need that facility too, forget about them. You need SMTP client only.

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                    • O Offline
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                      opengpu
                      wrote on last edited by
                      #19

                      thanks for all. i google that protocol, and now i got it.

                      JonBJ 1 Reply Last reply
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                      • O opengpu

                        thanks for all. i google that protocol, and now i got it.

                        JonBJ Offline
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                        JonB
                        wrote on last edited by JonB
                        #20

                        @opengpu
                        BTW, I don't know if this will help you, but....

                        In my case the users of my software specify & use there own SMTP server to connect to for sending email. Here is what my interafce looks like for them to specify the necessaries:

                        0_1556184717892_smtpclient.png

                        I don't know whether in your case you want the user to supply this information for their own SMTP email server, or whether you are supplying the server and hard-coding the values. Either way it shows the sort of parameters you will need to have in order to connect to the SMTP server.

                        I program in Python/PyQt, not C++. So the SMTP client code I use is provided by a Python library, which won't be of any use to you. But either of the simple SMTP clients you are proposing to use will have a similar interface/parameters.

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                        • JonBJ JonB

                          @opengpu
                          BTW, I don't know if this will help you, but....

                          In my case the users of my software specify & use there own SMTP server to connect to for sending email. Here is what my interafce looks like for them to specify the necessaries:

                          0_1556184717892_smtpclient.png

                          I don't know whether in your case you want the user to supply this information for their own SMTP email server, or whether you are supplying the server and hard-coding the values. Either way it shows the sort of parameters you will need to have in order to connect to the SMTP server.

                          I program in Python/PyQt, not C++. So the SMTP client code I use is provided by a Python library, which won't be of any use to you. But either of the simple SMTP clients you are proposing to use will have a similar interface/parameters.

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                          opengpu
                          wrote on last edited by
                          #21

                          @JonB thank you so much!
                          actually i want to use email instead of instantMsg. i send from PC client , and the official email-client of some company like google will recieve that email and alert the user.

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                          • O opengpu

                            @JonB thank you so much!
                            actually i want to use email instead of instantMsg. i send from PC client , and the official email-client of some company like google will recieve that email and alert the user.

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                            opengpu
                            wrote on last edited by
                            #22

                            and at common situation , email is fast enough when recieved after send?

                            mrjjM 1 Reply Last reply
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                            • O opengpu

                              and at common situation , email is fast enough when recieved after send?

                              mrjjM Offline
                              mrjjM Offline
                              mrjj
                              Lifetime Qt Champion
                              wrote on last edited by
                              #23

                              @opengpu
                              Well in most cases, email comes very fast.
                              But if your app is very, very, very far away, it might take a few minutes to get to
                              destination.

                              JonBJ 1 Reply Last reply
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                              • mrjjM mrjj

                                @opengpu
                                Well in most cases, email comes very fast.
                                But if your app is very, very, very far away, it might take a few minutes to get to
                                destination.

                                JonBJ Offline
                                JonBJ Offline
                                JonB
                                wrote on last edited by
                                #24

                                @mrjj Are you talking about sending emails to Alpha Centauri? :)

                                mrjjM 1 Reply Last reply
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                                • JonBJ JonB

                                  @mrjj Are you talking about sending emails to Alpha Centauri? :)

                                  mrjjM Offline
                                  mrjjM Offline
                                  mrjj
                                  Lifetime Qt Champion
                                  wrote on last edited by
                                  #25

                                  @JonB said

                                  Alpha Centauri

                                  Haha. that might take some time... ;)
                                  Ok maybe i went too far with "very" :)

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                                  • raven-worxR raven-worx

                                    @opengpu
                                    not directly, only with 3rd party libs:
                                    https://github.com/cutelyst/simple-mail
                                    https://github.com/bluetiger9/SmtpClient-for-Qt
                                    ...
                                    and a SMTP server of course.

                                    or via IMAP server
                                    http://trojita.flaska.net/

                                    O Offline
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                                    opengpu
                                    wrote on last edited by
                                    #26

                                    @raven-worx
                                    after cmake and compile error in vs:
                                    simple-mail-master\build\src\simplemail-qt5_autogen\include_Debug\EWIEGA46WW/moc_sender.cpp(197): error C2491: 'SimpleMail::Sender::staticMetaObject': definition of dllimport static data member not allowed

                                    vs2017, x64,
                                    Qt\5.12.3\msvc2017_64\lib\cmake\Qt5\Qt5Config.cmake

                                    raven-worxR 1 Reply Last reply
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                                    • O opengpu

                                      @raven-worx
                                      after cmake and compile error in vs:
                                      simple-mail-master\build\src\simplemail-qt5_autogen\include_Debug\EWIEGA46WW/moc_sender.cpp(197): error C2491: 'SimpleMail::Sender::staticMetaObject': definition of dllimport static data member not allowed

                                      vs2017, x64,
                                      Qt\5.12.3\msvc2017_64\lib\cmake\Qt5\Qt5Config.cmake

                                      raven-worxR Offline
                                      raven-worxR Offline
                                      raven-worx
                                      Moderators
                                      wrote on last edited by
                                      #27

                                      @opengpu
                                      i haven't written nor used those 3rd party libs, i just pointed them out.

                                      --- SUPPORT REQUESTS VIA CHAT WILL BE IGNORED ---
                                      If you have a question please use the forum so others can benefit from the solution in the future

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                                      • O Offline
                                        O Offline
                                        opengpu
                                        wrote on last edited by
                                        #28

                                        thank you

                                        1 Reply Last reply
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                                        • O Offline
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                                          opengpu
                                          wrote on last edited by opengpu
                                          #29

                                          anyone ever used libcurl to send email to smtp server?how many milliseconds it need for sending mail one time?is it fast enough to send email by libcurl in mainThread?

                                          i tried this one, it works. but it's slow, as it needs about 3000 milliseconds for sending email one time.
                                          https://github.com/bluetiger9/SmtpClient-for-Qt

                                          raven-worxR 1 Reply Last reply
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