Only some emails are stuck in mail queue RRS feed

  • Question

  • User-733996868 posted

    Hi All 

    I am trying to send emails from SMTP mail server with AZURE VM (WINDOWS 2012 R2).   I am using SMTP Host: localhost, PORT:25. When we send email all email recipients getting emails except few emails. I tried with Port 587 thinking that some ISPS block Port 25 but no luck.  

    SMTP log says

    02:04:42 xx.xxx.xxx.21 QUIT - 0. The CC and BCC used along with that email are getting emails correctly. 

    What may be the issue? Why only some email receipts not getting emails. ?

    Friday, June 23, 2017 7:56 AM

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