When comparing 10 Minute Mail vs SafeMaily, the Slant community recommends 10 Minute Mail for most people. In the question“What are the best temporary email address services?” 10 Minute Mail is ranked 4th while SafeMaily is ranked 46th. The most important reason people chose 10 Minute Mail is:
Each 10 Minute Mail address lasts 10 minutes, then is deleted. Before expiring, it can be refreshed to 10 minute duration if needed.
Specs
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Pros

Pro Literal throwaway, gone after use
Each 10 Minute Mail address lasts 10 minutes, then is deleted. Before expiring, it can be refreshed to 10 minute duration if needed.
Pro No need to register
10 Minute Mail does need to be registered on to use its service.

Pro Accepts mail from blacklisted sources
Blacklists are a common anti-spam tactic, but despite careful curation they can have false positives that prevent valid mail from getting through. Mail from blacklisted servers is simply rejected, and won't even show up in a spam filter. 10 Minute Mail has no blacklist, and accepts mail from all sources.
Pro Can be turned into a permanent email adress
Pro Easy to use
Very easy to use
Pro Mobile Usability
Designed according to the "mobile first" principle.
Pro Not blacklisted
Not blacklisted for facebook.
Pro Domain rotations
New domains to avoid blacklists.
Pro No sign up necessary
You can use it without making any registration.
Pro Multiple inboxes
You can create an unlimited number of email accounts.
Cons
Con Only lasts 10 minutes
Sometimes subscription verification emails take longer to arrive.
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