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is there anyway to Send Email to someone in Qt?

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  • O opengpu

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

    a SMTP server

    a SMTP server, or via IMAP server ??
    how to write it ? and can i run the server and client at the same PC?
    thanks

    J.HilkJ Offline
    J.HilkJ Offline
    J.Hilk
    Moderators
    wrote on last edited by
    #8

    @opengpu
    the idea is, for example for SmtpClient-for-Qt, the following.

    You have a gmail account, either provided by yourself or the user inputs his, and you use the client to connect, via socket connection, to gmail.
    Then you use the connection to send the raw E-Mail informations ( receiver, topic content, attachments etc) via socket to gmail and they distribute it from there.


    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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    • O opengpu

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

      a SMTP server

      a SMTP server, or via IMAP server ??
      how to write it ? and can i run the server and client at the same PC?
      thanks

      JonBJ Offline
      JonBJ Offline
      JonB
      wrote on last edited by
      #9

      @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.

      O 1 Reply Last reply
      3
      • 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.

        O Offline
        O Offline
        opengpu
        wrote on last edited by
        #10

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

        1 Reply Last reply
        0
        • 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
          O Offline
          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
            O Offline
            opengpu
            wrote on last edited by
            #12

            and is there any one for POP3 ?

            JonBJ 1 Reply Last reply
            0
            • 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?

              O 1 Reply Last reply
              2
              • 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?

                O Offline
                O Offline
                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
                  O Offline
                  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
                  0
                  • 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.

                    1 Reply Last reply
                    0
                    • 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

                      1 Reply Last reply
                      5
                      • 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
                          O Offline
                          opengpu
                          wrote on last edited by
                          #19

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

                          JonBJ 1 Reply Last reply
                          0
                          • O opengpu

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

                            JonBJ Offline
                            JonBJ Offline
                            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.

                            O 1 Reply Last reply
                            2
                            • 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.

                              O Offline
                              O Offline
                              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.

                              O 1 Reply Last reply
                              0
                              • 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.

                                O Offline
                                O Offline
                                opengpu
                                wrote on last edited by
                                #22

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

                                mrjjM 1 Reply Last reply
                                0
                                • 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
                                  0
                                  • 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
                                    3
                                    • 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" :)

                                      1 Reply Last reply
                                      1
                                      • 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
                                        O Offline
                                        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
                                        0
                                        • 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

                                          1 Reply Last reply
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