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Andrew KulikAndrew Kulik 

Sending emails from Apex in scratch org

I'm trying to send an email from Apex using the code below but when testing this in a scratch org no emails are being recieved. I have verfied the email adress of the test user I'm using and I can see the emails are in the email logs but nothing seems to get sent or recieved. 
 
public static void sendSingleEmailMethod(){

        Messaging.reserveSingleEmailCapacity(2);
        Messaging.SingleEmailMessage mymail = new Messaging.SingleEmailMessage();
        String[] toaddresses = new String[] {'xxxxxxxxxxxxx'}; 
        //String[] ccaddresses = new String[] {'xxxxxxxxxxx'};
        //String[] bccaddresses = new String[] {'user3@example.com’};
        
        mymail.setToAddresses(toAddresses);
        //mymail.setCcAddresses(ccAddresses);
        //mymail.setBccAddresses(bccAddresses);
        mymail.setReplyTo('support@example.com');
        mymail.setSenderDisplayName('Salesforce Support');
        mymail.setSubject('An email from Salesforce');
        mymail.setPlainTextBody('This email has been sent through Apex');
        mymail.setHtmlBody('<p> This email has been sent through Apex</p>');
        
        Messaging.sendEmail(new Messaging.SingleEmailMessage[] { mymail });
    }

 
AshwiniAshwini (Salesforce Developers) 
Hi Andrew,
Make sure that your Salesforce org has the necessary email deliverability settings configured. Go to "Setup" > "Email" > "Deliverability" and make sure it's set to "All Email."
Enable "Advanced Email Security Settings".
Setup->Email to Service->Advanced Email Security Settings

You can refer below links which might help you:
https://salesforce.stackexchange.com/questions/162195/why-cant-i-receive-the-email/162196#162196 

https://trailhead.salesforce.com/trailblazer-community/feed/0D54S00000A7oiySAB 

https://help.salesforce.com/s/articleView?id=000386389&type=1 

If this information helps, please mark the answer as best. Thank you