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</o:shapelayout></xml><![endif]--></head><body lang=DE link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>Hello,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>we have received an error message from a customer that he gets when he specifies several different gmail recipients in one email:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoPlainText> ----- Transcript of session follows ----- <<a href="mailto:margit.gubin@comtact-dienste.de">margit.gubin@comtact-dienste.de</a>>... Deferred: Connection timed out with mail.comtact-dienste.de.<o:p></o:p></p><p class=MsoPlainText>... while talking to gmail-smtp-in.l.google.com.:<o:p></o:p></p><p class=MsoPlainText>>>> DATA<o:p></o:p></p><p class=MsoPlainText><<< 451-4.3.0 Multiple destination domains per transaction is unsupported.<o:p></o:p></p><p class=MsoPlainText>Please <<< 451 4.3.0 try again.<o:p></o:p></p><p class=MsoPlainText>v13-20020adfc5cd000000b0021db4d78492si8556531wrg.707 - gsmtp <<a href="mailto:steffihardt9@gmail.com">steffihardt9@gmail.com</a>>... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please <<< 451-4.3.0 Multiple destination domains per transaction is unsupported. Please <<< 451 4.3.0 try again.<o:p></o:p></p><p class=MsoPlainText>v13-20020adfc5cd000000b0021db4d78492si8556531wrg.707 - gsmtp <<a href="mailto:steffihardt.nwd@gmail.com">steffihardt.nwd@gmail.com</a>>... Deferred: 451-4.3.0 Multiple destination domains per transaction is unsupported. Please <<< 550-5.7.1 [213.198.78.174] Messages missing a valid messageId header are not <<< 550<o:p></o:p></p><p class=MsoPlainText>5.7.1 accepted. v13-20020adfc5cd000000b0021db4d78492si8556531wrg.707 - gsmtp<o:p></o:p></p><p class=MsoPlainText>554 5.0.0 Service unavailable<o:p></o:p></p><p class=MsoPlainText>... while talking to alt1.gmail-smtp-in.l.google.com.:<o:p></o:p></p><p class=MsoPlainText>>>> DATA<o:p></o:p></p><p class=MsoPlainText><<< 550-5.7.1 [213.198.78.174] Messages missing a valid messageId header are not <<< 550 5.7.1 accepted.<o:p></o:p></p><p class=MsoPlainText>du2-20020a17090772c200b0072b9ef49142si11512265ejc.571 - gsmtp<o:p></o:p></p><p class=MsoPlainText>554 5.0.0 Service unavailable<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I assume this has to do with the fact that sendmail connects once to the MX when the domain is the same and then transmits all mails to the same domain and gmail seems to like that not (anymore?).<o:p></o:p></p><p class=MsoNormal>Is there any way to change the setting in sendmail or is a solution to switch from sendmail to postfix?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Best regards,<o:p></o:p></p><p class=MsoNormal>Dirk<o:p></o:p></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial",sans-serif;color:gray;mso-fareast-language:DE'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial",sans-serif;color:gray;mso-fareast-language:DE'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Arial",sans-serif;color:gray;mso-fareast-language:DE'>blackpoint GmbH – Friedberger Straße 106b – 61118 Bad Vilbel <br><br></span><span style='mso-fareast-language:DE'><o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>