Enable email verification on servers that implement callback verification #50
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wtayyeb
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Mar 25, 2017
rmarscher
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Dec 12, 2022
rmarscher
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Dec 12, 2022
…yrusakbary#50 Work around a bug in smtp lib
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The current code fails to verify email addresses on servers that implement callback verification. This is because if those servers are not provided with a valid email during the MAIL command of the SMTP protocol they will not provide meaningful results when the RCPT command is issued. This can easily be fixed by providing a email address as the "sending address" to the verification method, and then passing that along to the SMTP server being queried.
This pull request doesn't change the default behavior of the module so that existing code will not be affected, but those who want to get valid results from servers implementing callback verification can get them by providing an additional optional argument.
Closes #41.