![stop unwanted relay on mac mail server 10.6 stop unwanted relay on mac mail server 10.6](https://static.bhphoto.com/images/fb/687118.jpg)
If a customer exceeds this limit, users see the error "450 4.2.1 Peak SMTP relay limit exceeded for customer."
![stop unwanted relay on mac mail server 10.6 stop unwanted relay on mac mail server 10.6](https://www.lifewire.com/thmb/32iliovXYn09vUbdSaSjkh7VHfM=/1500x1000/filters:no_upscale():max_bytes(150000):strip_icc()/001-preferred-smtp-server-os-x-1172804-4d56fc5e1ea84d259d01486610acd6c5.jpg)
For small customers, these limits come into effect much earlier than the limits per user. These limits are determined by the number of user licenses in your Google Workspace account.
STOP UNWANTED RELAY ON MAC MAIL SERVER 10.6 FREE
This is different than increasing Gmail limits, which can be initiated by ending your free trial.
STOP UNWANTED RELAY ON MAC MAIL SERVER 10.6 TRIAL
To increase SMTP relay limits for a trial account, you must pay a Google-generated bill. Important: SMTP relay limits are lower for trial accounts. In this case, they see a different error message based on limits per customer. Nor do we consider the address presented during SMTP authentication, which is turned on if you select the Require SMTP Authentication option, described below.Īny sender, whether or not they're a registered user, can also be prevented from sending messages if a customer relay limit has been reached. Addresses in the From: and Reply-to: fields are not considered. If the envelope sender is not a registered user, then the per-user limits don't apply. The message count is based on the address of the envelope sender presented during the SMTP relay transaction. However, RFC 5321 limits might block some transactions. Google servers can handle more than 100 recipients per transaction.
![stop unwanted relay on mac mail server 10.6 stop unwanted relay on mac mail server 10.6](https://www.imore.com/sites/imore.com/files/styles/xlarge/public/field/image/2019/07/sms-relay-iphone-mac-screens-2.jpg)
If a user exceeds either of these limits, the sender receives the error "550 5.4.5 Daily SMTP relay limit exceeded for user." A registered Google Workspace user can't relay messages to more than 10,000 unique recipients in a 24-hour period.Read more at Gmail sending limits in Google Workspace. However, this can be lower if your Google Workspace account is still in a trial-like period. The maximum number of messages a user can send in a 24-hour period is 10,000.