I need to migrate, my actual smtp server, to smtp.office365.com I have configured the SMTP at the domain (mydomain.xxx.xxx), and all goes good. Because the email can be sent when I create a test TXT file and drop it into PICK UP folder of the MailRoot.

In the "Outbound SMTP Server" of Central Administration, I enter (mydomain.xxx.xxx) There is no email sent after I set up the alert. I see the error "Cannot connect to SMTP host "mydomain.xxx.xxx" in the Windows Event log.

I also tried to send and email from PowerShell cmdlet, but it fails.

I really appreciate your help.

  • is it 9smtp.office365.com) cloud based exchange server URL? – Waqas Sarwar MVP Apr 15 '16 at 14:39
  • @Waqas Sarwaer MCSE I don't know, how could I find that info? Because I received that server from the administrators of my company.. – user3473795 Apr 18 '16 at 15:21
  • did they give you the URL? check this rosebudtech.com/2013/01/01/… – Waqas Sarwar MVP Apr 18 '16 at 15:23
  • I´m afraid that I have not access to login for the URL provided in resebudtech, login.microsoftonline.com, but I can send emails from the TXT file in in C:\inetpub\mailroot\Pickup, do you know why? – user3473795 Apr 18 '16 at 15:29
  • Sorry, it is not an exchange server. It´s based on the cloud – user3473795 Apr 18 '16 at 16:41

You can configure Your SMTP setting for server from IIS

IIS > select server > SMTP Email

SMTP Email

Enter your SMTP Server name,port and specify credential according your SMTP server

  • I did it. But I´m not sure if it´s correct, to use the same credentials to connect to office365, or I need to use, the credentials to connect to the server. Any case, I try with both. but I still receive False, from the power shell console. – user3473795 Apr 15 '16 at 13:13

There are couples of things which you should confirm.

  1. install the SMTP server locally according to Office 365 settings
  2. You need SPO licensing for user " To setup your on-premise SharePoint server to use Exchange Online, you need to build SharePoint Online (SPO) accounts for those users and assign the appropriate SPO licenses." https://community.office365.com/en-us/f/158/t/59538

Also check this one https://blogs.technet.microsoft.com/uspartner_ts2team/2014/02/11/replacing-an-exchange-smtp-relay-in-an-office-365-environment/

and this http://rosebudtech.com/2013/01/01/how-to-set-up-an-smtp-relay-in-office-365/

  • The problem persists. I still receive the message from Event Viewer. Cannot connect to SMTP host " ".ID: 6857 IMHO I think that is a problem with my server, but I cannot find the error. I just have a question, why my smtp server works, when a put a TXT file in C:\inetpub\mailroot\Pickup, I received the email. But the connection with sharepoint is the problem. Thanks in advanced – user3473795 Apr 18 '16 at 14:59

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.