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Check validity of email address

Started by on Nov 10, 2018 – Contents updated: Nov 11, 2018

Nov 10, 2018 15:20    

Is it reasonable to make a hack to check the validity of a senders email address.
Like :: Send a copy of any message to the sender first and wait to see if the recipient's server accepts it as a valid email address before continuing.

Currently a message from

From: Mr Spam
Email: <anything@anywhere.crap>
Subject: Just messing with you

will be sent

Exact b2evolution version number :6.10.3

Nov 11, 2018 14:57

It might work but spammers will start using real email addresses of innocent people and we will be spamming those people with the confirmation emails and they will report *us* as spammers :/

Nov 11, 2018 18:32

Yes you correct I rarely think ahead much :)

Is it possible just to check that the address is real by some sort of ping to the email server without the recipient, if real, knowing ??

Nov 11, 2018 20:17

Indeed it would be possible to check if anywhere.crap has a real email server running, but in case it has not the timeout delay will be atrociously long to endure for the user (especially if he made a typo like gmai.lcom)

But if done asynchronously with a scheduled task this could be interesting.

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