It's easy to attach a file in an iPhone email using the new format bar in Mail with iOS 13, or in the Gmail app. Here's how to do both.

Use the attachment options available with your email client or Web mail service to attach multiple files to an email.

How to Attach a File With Sendmail in Linux. Linux operating systems contain the old Unix sendmail or mail program that allows you to send an email message from the command line.

We show how to add (and send) photos, videos, text documents and other files as email attachments, using the Mail app on your iPhone ...

Gmail's size limit for attachments is set at 25MB per email. If your attachments exceed this limit, you can include a Google Drive link.