
Some of the cases are: Educational institutions has to provide email address to their Alumni. Contact your email admin for assistance.' I have contacted my office 365 provider and he has advised that this is a block by Microsoft because I am sending out too many emails in a day. There are various scenarios in which Admin needs to change the Office 365 users primary email address in bulk or add secondary email address in bulk. We recommend sending 300 to 500 emails per day to avoid any issues with email limits. Thus, the marketing team can send the email to the 16 distribution groups, which in turn will send it to 80,000 (5000 users 16 80000 emails) Option 2) Use 3rd Party solution (please recommend the leading and trusted ones) Option 3) Exchange Hybrid Server Option 4) Linux based mail relay server Any pointer will be deeply appreciated. Although Microsoft Outlook has no explicit limits on the number of recipients and emails you can send, such limits exist in Gmail,, Office 365. In this scenario, the Bulk command adds an additional E-mail address to various types of Exchange Online recipients such as Groups, mail contacts, Mailbox recipient, etc. The most common reason for this is that your email address is suspected of sending spam and it's no longer allowed to send messages outside of your organization. While it can be a pain, these restrictions are a good thing, like eating your vegetables to earn dessert! If you've reached your email sending limits, your email provider will prevent Nutshell from sending any more emails from your account and you'll see a warning message inside your Nutshell inbox. Most email providers limit both the number of emails you can send in a 24 hour period and how quickly you can send out emails back-to-back.

Your contacts won't know the difference between a Nutshell email and a personal email from you!Įmail providers have some restrictions in place to ensure that your email account isn't flagged as a potential spammer, and Nutshell emails are bound by these same restrictions. When Nutshell sends emails on your behalf, the emails are sent through your normal email provider. Bulk E-mails include emails sent via the Direct E-mail button on the ribbon and emails sent via Quick Campaigns or Campaign Activities.
