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author's profile photo Former Member
Former Member

551 This mail server requires authentication before....

Dear Guru's,

I've made most of the settings in SAP in order to send automatic P.O. to external e-mail but now the system gives this error and doesn't send my P.O. via e-mail.

As far as I understand it's about SMTP server doesn't trust SAP server. In anyway SMTP server needs to know my SAP server but I couldn't find out how. Is there any place that I can enter username & password in SAP. Or the settings should be done in SMTP server about rely?

Please kindly advice how to proceed.

Thanks in advance,

Best regards...

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    author's profile photo Former Member
    Former Member
    Posted on Dec 13, 2012 at 07:35 AM

    Dear Colleagues,

    I would like to inform you that the problem is solved. It was about SMTP service. Our network team installed SMTP service, relay our SAP server IP address and now I can able to send e-mail.

    Thanks a lot for your helps so far.

    Best Regards...

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  • author's profile photo Former Member
    Former Member
    Posted on Nov 30, 2012 at 12:50 PM

    Hi,

    I guess, the best solution would be to contact your Basis team.

    However, please check the following.

    Whether you are able to successfully save the PO document.

    If yes, please check whether you are able see the PO document no with vendor email details in SOST transaction after saving. If this is not happening then its a pure technical issue.

    Also please check the following settings

    Whether you have maintained correct email address in the vendor master record.

    Whether you have maintained the output medium as 5 - Externtal Send for your output type

    Also verify whether a valid output condition record exists.

    Hope it helps.

    Thanks n Regards,

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  • author's profile photo Former Member
    Former Member
    Posted on Dec 07, 2012 at 01:46 PM

    Dear colleagues,

    Is there any other proposal for this issue?

    Thanks in advance,

    Best Regards...

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