Remote Server returned '550 5.2.3 RESOLVER.RST.RecipSizeLimit; message too large for this recipient'

Office 365 or Exchange online problem

Remote Server returned '550 5.2.3 RESOLVER.RST.RecipSizeLimit; message too large for this recipient'

Connect in your office365/Exchangeonlime with PowerShell

Confirm the problem, 

 Get-Mailbox | fl mailboxplan,maxsendsize,maxreceivesize

If you have 

 Get-Mailbox user@mailbox.com | fl mailboxplan,maxsendsize,maxreceivesize

MailboxPlan    : ExchangeOnline-1ab122338-4f1a-bac1-c28ff8a1234

MaxSendSize    : 0 B (0 bytes)

MaxReceiveSize : 0 B (0 bytes)

Execute the command

 Set-Mailbox user@mailbox.com -MaxReceiveSize 55MB -MaxSendSize 55MB 

or 

 Set-Mailbox user@mailbox.com -MaxReceiveSize 150MB -MaxSendSize 150MB

To apply for all users run this. 

Get-Mailbox | Set-Mailbox -MaxReceiveSize 55MB -MaxSendSize 55MB

How to connect in your Office365 or Exchange online

How to connect in your Office365 or Exchange online

Using the script below.

Falha na operação na caixa de correio Office365

Problemas com o office365 implementação hybrida.
Caso tenha problema ao tentar trocar o endereço de e-mail de um usuário dentro do 365, em implementações hibridas.