iPhone Mail (otherwise called Apple Mail or Mail.app) is an email customer included with the working frameworks macOS, iOS and watchOS by Apple Inc. Initially created by NeXT as NeXTMail, a part of their NeXTSTEP working framework, it in the long run moved on to becoming Mail after Apple's acquiring of NeXT.
The present adaptation of Mail uses SMTP for message sending, POP3, Exchange and IMAP for message recovery and S/MIME for end-to-end message encryption. It is additionally preconfigured to work with well known email suppliers, for example, Yahoo! Mail, AOL Mail, Gmail, Outlook and iCloud (earlier MobileMe) and it bolsters Exchange. iOS includes a versatile form of Mail with included Exchange ActiveSync bolster, however it famously missed the usefulness of connecting according to answer messages until the arrival of iOS 9.
Starting with Mail in OS X Yosemite and iOS 9.2, you can send vast records (up to 5 GB for each message, for example, recordings, introductions, and envelopes of pictures, without worrying about your email supplier's restrictions on document measure. This component is called Mail Drop. It works with any email benefit, insofar as you're utilizing Mail and marked in to iCloud on your gadget. Mail Drop naturally transfers huge connections to iCloud. On the off chance that your beneficiaries utilize Mail, they get the connection as a major aspect of your message. On the off chance that they utilize another application or webmail, they get a connection to download the connection. Whatever you do is click Send, and Mail wraps up. Connections are accessible for 30 days and don't mean something negative for your iCloud stockpiling.
Before we go on to fic the issues of Apple mail not working just remember that iOS reinforcements made in iCloud and iTunes move down your mail settings, however not your messages. In the event that you erase or change your email account settings, beforehand downloaded email may be expelled from your iOS gadget.
On the off chance that your email supplier requires your account to utilize port 25, at that point you can just send email when you're associated with your email supplier's system. Browse with your email supplier for settings and accessibility.
Apple runs a wonderful tech support team. Its issues are complicated due to high end technology that it uses. The moment you face an issue just call up the apple mail tech support to get it fixed on priority basis because of your apple mail is not working your icloud account would also be non-functional till then. Therefore approach the apple mail tech support at the earliest opportunity.