Three possible solutions, in order of preference: Find a different DNS provider, that will allow you to put an MX on a subdomain. Note that this does not necessarily require you to change registrars. Use your base domain with mailgun, perhaps utilizing their forwarding feature to send incoming mails to whoever hosts your mailboxes. Use … Read more
Have you set up some authorized recipients for the sandbox domain? https://documentation.mailgun.com/en/latest/faqs.html#how-do-i-pick-a-domain-name-for-my-mailgun-account A sandbox subdomain of mailgun.org. Example: sandboxXX.mailgun.org. This option allows for quick testing, without having to setup DNS entries. This domain is provisioned automatically with every new account. But you can send only to authorized recipients.
Sure you can. import Foundation import UIKit import MessageUI class ViewController: ViewController,MFMailComposeViewControllerDelegate { @IBAction func sendEmailButtonTapped(sender: AnyObject) { let mailComposeViewController = configuredMailComposeViewController() if MFMailComposeViewController.canSendMail() { self.presentViewController(mailComposeViewController, animated: true, completion: nil) } else { self.showSendMailErrorAlert() } } func configuredMailComposeViewController() -> MFMailComposeViewController { let mailComposerVC = MFMailComposeViewController() mailComposerVC.mailComposeDelegate = self // Extremely important to set the –mailComposeDelegate– … Read more
If this is happening regularly, it is very likely Mailgun has you on one of their low-tier IP addresses. I imagine this is the default for free accounts, since they don’t want to “pollute” their good addresses with new users who may not be serious / legit. You can check the “quality” of the IP … Read more