I was recently trying to answer a question about email limits. I remember there being a cap on the number of emails sent per invocation (100), but I couldn't find any documentation that still mentions that limit. Has it been lifted?
asked Aug 17, 2016 at 15:48
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1 Answer
The limit seems to have gone. This works in my developer org:
Messaging.SingleEmailMessage[] messages = new Messaging.SingleEmailMessage[0];
while(messages.size()<1000) {
Messaging.SingleEmailMessage message = new Messaging.SingleEmailMessage();
message.setTargetObjectId(UserInfo.getUserId());
message.setSubject('Email Run: '+(1+messages.size()));
message.setPlainTextBody('This is message '+(1+messages.size())+' of 1000.');
message.setSaveAsActivity(false);
messages.add(message);
}
Messaging.sendEmail(messages);
(I'm now waiting for 1000 messages in my inbox...)
Of course, normal CPU limits apply, and this code takes about 1500 ms.
Edit: 10000 emails also worked, but I was smart enough to use System.assert(false) to prevent my inbox from being flooded for the next few days...
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2@AdrianLarson I'm behind on my release notes, but I'm pretty sure we should have seen this somewhere.– sfdcfox ♦Commented Aug 17, 2016 at 16:04
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1@AdrianLarson I just tested 10,000 messages in the code, followed by 11,000 messages... This is going to clear up some of that funky code I had to use before.– sfdcfox ♦Commented Aug 17, 2016 at 16:10
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Not that your daily limits will allow that unless you send them all to a
User. Or did those limits change too?– Adrian Larson ♦Commented Aug 17, 2016 at 16:14 -
1@AdrianLarson No, the other limits still apply; 1k external emails per 24 hours, and 100 external emails per SingleEmailMessage.– sfdcfox ♦Commented Aug 17, 2016 at 16:16