I have tried below code for send email with attachment and I am unable to receive the attachment file along with email. Even email also not getting received.Below is my code:1. I debug the code and I got the attached file id,content-type,Name and all thing which is required but not receiving mail. If anyone can help, i will aprriciate their help. Thanks!Apex class:public class sendEmailAttachmentPR { public Pricing_Reconfirmation__c prId{get;set;} public String primaryContactId {get;set;} public String AccountId{get;set;} public String email{get;set;} public pagereference sendEmailAttchament(){ prId = [Select Id,Name,Account__r.Id,Primary_Contact__r.id from Pricing_Reconfirmation__c where id =: ApexPages.currentPage().getParameters().get('id')]; primaryContactId = prId.Primary_Contact__r.id; AccountId = prId.Account__r.Id; system.debug('Primary Contact Id ====>'+primaryContactId); system.debug('Account Id ===> '+AccountId); Contact con = [SELECT ID,Name,Email,Phone from Contact where Id =:primaryContactId]; email = con.email; system.debug('Email Id =======>'+email); User currentUser = [SELECT Id FROM User Where Id = :UserInfo.getUserId()]; Attachment attachFile = [SELECT Id,Name,parentId,LastmodifiedDate,ContentType,body FROM Attachment where parentId=:prId.Id ORDER BY LastmodifiedDate Desc LIMIT 1]; system.debug('Attachment File Id '+attachFile.id); Messaging.EmailFileAttachment emailAttach = new Messaging.EmailFileAttachment(); emailAttach.setContentType(attachFile.ContentType); system.debug('ContentType ====> '+attachFile.ContentType); emailAttach.setFileName(attachFile.Name); system.debug('FIle Name ===>'+attachFile.Name); emailAttach.setInline(false); emailAttach.Body = attachFile.Body; system.debug('Body ====> '+emailAttach.Body); Messaging.SingleEmailMessage semail = new Messaging.SingleEmailMessage(); semail.setEntityAttachments(new Id[]{attachFile.Id}); semail.setSubject('Sending Document as attachemnt'); String[] sendTo = new String[]{'shashikant@xxxxx.com'}; semail.setToAddresses(sendTo); semail.setPlainTextBody('Please find the attached document details'); Messaging.sendEmail(new Messaging.SingleEmailMessage[]{semail}); system.debug('Email Sent Successfully'); //system.debug('Email Id available for Contact'); return null; }}VF Page:<apex:page controller="sendEmailAttachmentPR"> <apex:form > <apex:pageMessages /> <apex:commandButton value="Send Email" action="{!sendEmailAttchament}"/> </apex:form> </apex:page>could anyone help me here?