Tag Archives: Message Delivery

Control Send / Receive Limitations In Exchange Online

Every Exchange Online user in Office 365 has the capability of sending and receiving email messages up to 150MB in size. To utilize the maximum allowed limits, you’ll have to use the Outlook client. To learn more about Exchange Online limitations, navigate to https://technet.microsoft.com/en-us/library/exchange-online-limits.aspx#MessageLimits However, some organization may not be very happy to give their users… Read More »

Enable DKIM Signing for Outbound Emails in Exchange Online Protection

Last year Microsoft announced support for DomainKeys Identified Mail (DKIM) signing for outbound emails in Office 365. If you are wondering what DKIM is, below is an excerpt from Microsoft blog describing what DKIM is in its simplest form. DKIM permits the person, role or organization, who owns the signing domain, to claim some responsibility for… Read More »

Upcoming Office 365 Changes and Impact to Exchange 2013 Hybrid Environments

By | February 24, 2016

Microsoft Exchange team recently announced from a blog post about an upcoming change to Office 365 and its impact to Exchange 2013 hybrid environments. Below is the statement as it is from the official blog post dated 19th February, 2016.

Exchange 2010 – Exchange Online Hybrid: Email Moderators Receive An NDR When An Action Taken

By | February 17, 2016

While working on an Exchange 2010 – Exchange Online hybrid environment, few users encountered an error where after migrating email moderators to the Exchange Online, moderators receiving an NDR when they take an action for a moderated email. Below is an excerpt of the NDR. From: Microsoft Outlook Sent: Thursday, January 14, 2016 10:30 AM… Read More »

Exchange 2010 Mail Delivery Error: 431-4.3.1 STOREDRV

By | January 26, 2016

While working on an Exchange Online and Exchange on-premises setup, I ran into an issue where a freshly migrated user complained of not receiving emails to an on-premises mailbox which had access delegated. Since the complain came as soon as the user was migrated to the Exchange online, I first thought it was a permission issue. But the… Read More »