Facing Outlook / Office 365 limitations when sending out campaign emails?

Facing Outlook / Office 365 limitations when sending out campaign emails?

A recent Microsoft document describes the limitations of Exchange Online, the messaging server provided by Office 365. For the legitimate transmission of bulk messages, for instance campaign emails such as customer newsletters, the corporation expressly recommends using specialized third-party providers when it comes to sending high volume email.

On its website, Microsoft states that:

“Exchange Online customers who need to send legitimate bulk commercial email (for example, customer newsletters) should use third-party providers that specialize in these services.”

The table which follows goes on to illustrate in great detail how Exchange Online, especially as part of an Office 365 plan, is subject to crucial limitations – for instance regarding the size of the distribution lists as well as message throughput. To underline this, Microsoft explains that:

“To discourage the delivery of unsolicited bulk messages, Exchange Online has recipient limits that prevent users and applications from sending large volumes of email. These limits are applied per-user to all outbound and internal messages.”

So, sending email newsletter with Outlook has its limitations, therefore it’s great to know that there are third-party options like Retarus Transactional Email, which can be added on to supplement Office 365 and Exchange Online. Our solution was designed for sending high volumes of emails directly from within a company’s business application, without the need for company email relays. Emails can be sent quickly and reliably, regardless of whether you want to automatically send a large number of individual invoices, messages from shop systems and travel platforms, or email marketing campaigns to a maximum number of recipients all at the same time.

Our SLA guarantees you processing capacities of up to 10 million emails per hour and offers easy processing of multi-recipient messaging jobs with up to 1000 recipients simultaneously, which is far beyond the Office 365 email limit. Our CSA (Certified Senders Alliance) certificate and the sophisticated reputation management offered by Retarus Transactional Email ensure that throughput rates remain high at all times and inbox placement rates are well above average. You can find more details on the Retarus website or directly from your local Retarus representative.

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