Solved:Email address Rejected by the server on iPhone,iPad: Cannot Send Mail

On your iPhone, iPad and iPod touch Mail app giving the particular error with the title: Email address Rejected by the server on iPhone or Relaying denied. Then you must have to follow the below-setting guide possibilities. First, you have to correct email address although Second follow the below steps. Getting rejected by server error or relaying denied error. Due to incomplete setup, you can’t send mail, reply or forward Email from this mail account. You will receive from mail server but unable to send or reply.

Exact Solution that Fix: Can not Sent Mail, A Copy has been placed in your Outbox. The recipient was rejected by the server because it does not allow relaying.

Compatible device: works on iPhone 8, iPhone 8 Plus, iPhone X, iPhone 4/4S, iPhone 5/5S/5C, and iPhone 6 and iPhone 6 plus, iPad and iPod touch 2nd generation, 3rd generation, and 5th generation.

Error cause invalid port used to send mail from your iOS device. So you can change or update port setting with below simple steps, don’t need any technical knowledge and expert suggestions.

Updated on (29-Sep-2017) and Fixed

iOS 11 reported biggest bug and issues on sending email from outlook using email app on iPhone, iPad. And receiving message “Cannot Send Mail. The message was rejected by the server.” That means you couldn’t send email to Microsoft Mail Services hosted by Microsoft:, Office 365, and Microsoft Exchange.

That Now fix in new with iOS 11.0.1 update.

Useful tips:

Steps to solve Email address Rejected by the server on iPhone or Relaying denied on iOS device

Steps For iOS 11 or Later

People are facing this issue because of, During setup outgoing mail server details is optional and iOS users ignoring to submit your mail login details.

Re-enter your Email ID and Password for the outgoing mail server verification

Go to the Settings app on iPhone, iPad > Accounts & Password > Tap on Account that has an issue for this error > Account > Out Going mail Server > Tap on Primary Server > See Outgoing Mail Server (Enter User Name and Password) for Custome Mail Server.

recipient was rejected by the server because it does not allow relaying

Detailed Guide: Add email Account on iPhone.

Steps For iOS 10 or Earlier

Step 1: Go to the Settings app from iPhone, iPad or iPod touch

Step 2: Next, Tap on Mail, Contacts, Calendars.

Step 3: Tap on Email account (Already registered or logged in)

Step 4: Move down the screen, and tap on the Outgoing mail server. (Don’t skip optional fields)

Step 5: Now you have to go with Primary Server option.

Step 6: Next, Click on Server port option.

Step 7: Delete/ Remove current port and re enter port number 25.

Step 8: Save setting by a tap on “Done.”

After that you should solve this error, Still are you facing the same problem? Then enter valid SMTP details.

Note: SMTP details different for different Email service provider, So contact your Email service provider and get the correct hostname. (ex for GMAIL: and your username and password.

By Going to the Setting > Mail, Contacts, Calendars > Account > SMTP > Add Server and Save setting.Email address Rejected by the server on iPhone, iPad

Note: Port number also different on your Email service provider.

Hope you solved “Email address Rejected by the server on iPhone or Relaying denied ” or “Cannot Send Mail” problem to access your Mail from iPhone, iPad and iPod touch.

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About jaysukh patel

Jaysukh Patel is the founder of howtoisolve. Also self Professional Developer, Techno lover mainly for iPhone, iPad, iPod Touch and iOS, Jaysukh is one of responsible person in his family. Contact On: [email protected] [OR] [email protected]

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