Beware of Large Files
Many e-mail systems can??™t deal with a single e-mail file that??™s bigger than about 2MB??”a few
older e-mail systems even have a 1MB limit. On the other hand, some broadband users (like
cable modem and DSL) can receive files as large as 10MB without trouble. The moral is that
CHAPTER 18: Share Your Pictures 401
it isn??™t always easy to know how large attachments can be with any given e-mail system, and,
if you send a very large file to someone, it can get ???stuck??? in their mail server, clogging up
messages that are trying to come in afterward. Alternately, it can arrive in your recipient??™s e-mail
account as a couple of huge messages filled with gibberish text. Bottom line: It??™s a good idea to
check the file size of your attachments (see Figure 18-1) before sending them. To be sure that
they??™ll be small enough (in megabytes), I recommend resizing copies of images that you plan to
send down to around 800?—600 pixels.
When you attach a digital image to an e-mail message, the attachment usually ends up
about 10 percent larger than the original image because of the encoding necessary to
send it across the Internet.
Shrink Images for E-mail
Having a lot of resolution in a photo is a good thing for printing, cropping, or zooming in to see
a lot of detail, but many-megapixel digital images are sometimes difficult to send through e-mail.
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