Category Archives: Exchange

Exchange 2003/2016/2019 how to disable RTF format for all outgoing emails

Sometimes, when you send a message to some contacts in outlook, this message  appears on the recipient, as an attached file named winmail.dat  this is because the properties of the contact or the mail are set to RTF format:

To correct this generaly you can disable TNEF on the exchange server doing the commnad:

Set-RemoteDomain -Identity * -TNEFEnabled $false

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Exchange 2013 Forwarding mail to external SMTP address

If you try to forward to an external smtp address trough emc , is not possible

solution:

1. Create a contact in the Exchange 2013 “Admin Center”.
2. If you want keep and forward, From Exchange Management Shell: Set-Mailbox -Identity “Allen” -DeliverToMailboxandforward $True -ForwardingSMTPAddress “allen@externaldomain.com” -ForwardingAddress “allen@externaldomain.com”
2a. 2. If you want to forward only, From Exchange Management Shell: Set-Mailbox -Identity “Allen” -DeliverToMailboxandforward $False -ForwardingSMTPAddress “allen@externaldomain.com” -ForwardingAddress “allen@externaldomain.com”

If you go back into the Admin Center and look at the properties of the Mail Flow, Forwarding, you will see your Contact listed.

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SMTP 554 5.1.0 Sender Denied

Sometimes an exchange mailbox not accept messages from one specific email, and show this message: “smtp 554 5.1.0 Sender Denied”

to see why the sender is not allowed , you can use this ps commands:

Get-MailboxJunkEmailConfiguration mailbox@domain.com

 

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External SMTP Relay with Exchange Server 2016 Using Anonymous Connections

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Hybrid configuration Office 365 and exchange 2010

This is a step by step to how to cofigure office 365 in a hybrid enviromment, with an exchange 2010 on premise single server, once you have your subscription activated,

the first step:

add your domain to office 665 console, you have two options to validate that you are the owner of the domain, adding some dns records is the option prefered:

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