Send email in Java via relay server -



Send email in Java via relay server -

i running java web application , attempting send email notifications it. when hosting application on 1 of our servers worked fine. pointed smtp.gmail.com on port 25 , messages able sent.

but hosting on 1 of our client's servers security purposes. happen block smtp domains , allow own (smtprelay.companyname.com). changed host in code, authentication failing.

is possible still authenticate gmail business relationship while using company's relay server send emails? best solution?

below relevant portion of code.

content = "message content"; list<string> recipients = list_of_recipient_email_addresses; properties props = new properties(); props.put("mail.smtp.auth", "true"); props.put("mail.smtp.starttls.enable", "true"); props.put("mail.smtp.host", "smtprelay.companyname.com"); props.put("mail.smtp.port", "25"); props.put("mail.smtp.ssl.trust", "smtprelay.companyname.com"); props.put("mail.debug", "true"); session session = session.getinstance(props, new javax.mail.authenticator() { protected passwordauthentication getpasswordauthentication() { //this email business relationship name , password set homecoming new passwordauthentication("supportemailaccount@gmail.com", "password"); } }); try{ mimemessage message = new mimemessage(session); message.setreplyto(new address[]{new internetaddress("no-reply@gmail.com")}); for(string recipient: recipients){ message.addrecipient(message.recipienttype.bcc,new internetaddress(recipient)); } message.setsubject(subject); message.setcontent(content,"text/html"); transport.send(message); homecoming true; }catch (messagingexception mex) { mex.printstacktrace(); homecoming false; }

here error maintain getting:

javax.mail.authenticationfailedexception: 535 5.7.3 authentication unsuccessful

it turns out company relay smtp server can used without authentication using spoofed email address has domain (e.g. anyusername@companyname.com). need authenticate against smtp.gmail.com rendered moot.

still curious if it's possible authenticate against blocked smtp while sending actual message through another. problem solved.

if curious how send email without authentication there many places how it, alter code in original question from:

props.put("mail.smtp.auth", "true"); . . . session session = session.getinstance(props, new javax.mail.authenticator() { protected passwordauthentication getpasswordauthentication() { homecoming new passwordauthentication(email+"@"+domain, password); } });

change above portions following:

props.put("mail.smtp.auth", "false"); . . . session session = session.getinstance(props);

java email smtp

Comments

Post a Comment

Popular posts from this blog

php - Android app custom user registration and login with cookie using facebook sdk -

php - Android app custom user registration and login with cookie using facebook sdk - i developing android application in users need register , log in using facebook. approximately, flow. open app first time, authenticate facebook, data, send info server create them business relationship in application, start session new business relationship in server, cookie perform later interactions. so far good. what need know wich info have send server, can able identify users when log in seccond time. because need start session in server , send cookie android app farther interactions. i'm using php server side language. i thinking getting getaccesstoken() in android facebook sdk, pass server on business relationship creation , storing in android app. but can't manage how login users on sec time utilize app. any suggestions ? in advance ! to uniquely identify user within app, should create request /me , user's id. guaranteed unique , remain con...
Read more

c# - Create a Notification Object (Email or Page) At Run Time -- Dependency Injection or Factory -

c# - Create a Notification Object (Email or Page) At Run Time -- Dependency Injection or Factory - i have code emails me notification when happens. trying add together page , also remove dependency on email. for reference; have name of notification want send stored string in database. @ runtime have list of people , string representation of want receive. i thought dependency injection ninject, kernel bindings got big , seemed hacking together. then thought simple factory, activator.createinstance(email/page) inotifcation, don't know how handle differing constructor parameters (unless utilize common, complex property, employee, has info need). so far have this: public interface inotification { void sendmessage(); } public class email: inotification { private readonly string _toemailaddress; private string body { { homecoming "email"; } } private static string smtphost { ...
Read more

Set Up Of Common Name Of SSL Certificate To Protect Plesk Panel -

Set Up Of Common Name Of SSL Certificate To Protect Plesk Panel - a pci compliance scanner balking self signed ssl certificate protecting secure access plesk panel contains name mismatch between location of plesk panel , name on certificate, namely self-signed cert's name "parallels" , domain reach plesk 'ip address:8443'. so figured go ahead , free ssl certificate seek fiddle error. when generated certificate used server domain name site name when generated certificate. if visit 'domain name:8443' fine, no ssl warning. if visit 'ip address:8443' (which believe scanner does) certificate name mismatch error, digicert's ssl checker says certificate name should ip address. can generate certificate mutual name ip address? tempted should pci scanner accepts, right mutual name use? run issue before? you can seek subject alternative name extension ip address. also, can maintain "parallels" mutual name, , add together ...
Read more