What is the SMTP relay send limit?
Yes, Google's SMTP relay service allows organizations to send only100 emails per day or 3000 emails per month.If you need to send more than 3000 emails per month, you should look for another list of free SMTP servers, such as: SendPulse.
Border | SMTP-Client sendet | SMTP-Relay |
---|---|---|
Throttle Limit | 10,000 recipients per day.30 messages per minute. | Appropriate restrictions will be imposed. The service may not be used to send spam or mass mailings. For more information about reasonable limits, see High-risk outbound message delivery groups. |
The message rate limit in Office 365 is30 messages per minute.In addition, we have some other restrictions when sending emails. For more information, see the "Sending limits in Office 365 options" section of this article: Exchange Online Limits.
This particular error is generated when the recipient's mail server has a size limit set and the message exceeds that limit.. In order to send the message, the size of the message must be reduced or the limit increased.
Without a license, shared mailboxes are limited to 50 GB.To increase the size limit to 100 GB, an Exchange Online Plan 2 license must be assigned to the shared mailbox. Licensing Exchange Online Plan 1 with the Exchange Online Archiving add-on license only increases the size of the archive mailbox.
If you've exceeded your original storage limit, give it a tryEliminate unnecessary emails to free up space in your account.However, if you have a non-Microsoft account set up in Mail, please contact your email provider for help verifying the storage space you are using.
Error SMTP 552Usually occurs when there is a problem with the attachment of the email you are trying to sendThis indicates, for example, that the attachment is too large or that the recipient's email server does not support all types of attachments.
Basically, your SMTP server returns a 552 error becauseThe Vantage data exceeds the size set by your postmaster on the SMTP server.
Email sending limit exceeded –Generate notifications when someone in your organization sends more messages than the outbound spam policy allows.
The default number of recipients allowed in Office 365 is 500. For accounts that need to send larger bulk emails, we can now increase the limit and send to1000 recipients.A ticket is required to request this recipient limit change.
How do I increase the sending limit in Office 365?
- Open Exchange Manager. Once you're signed in to the Office 365 portal, click Admin on the left menu bar, then click Exchange to open Exchange Admin.
- Open the properties of the recipient mailbox. ...
- Change the message size limit. ...
- Change the maximum message size.
you can sendUp to 5,000 messages per SMTP connection.You can open up to 10,000 simultaneous connections from a single server.

By default, IIS limits the size of the upload file30000000 BytesApproximately 28.6MB. This could also be due to SMTP server configuration size limitations.
Send Grid:With SendGrid's free plan, you can send up to 100 emails per day;Upgrading to a paid plan allows you to send up to 1,500 emails per day and 400 emails per hour. You can send up to 1.5 million emails per month and get access to a dedicated IP when you subscribe to the custom pricing or Prime plan.
What is rate limiting? Your e-mail service provider sets you a tariff limit, andLimit the number of emails you can send from your email account in a given period of time.The main reason why email service providers implement frequency capping is that it is used to control/limit spam.
SMTP-Relay istAn email relay service that routes large volumes of email through an SMTP server to keep it out of the spam folder.relay or mail-relay describes the zigzag process of moving emails from one email server to another until they reach the recipient.