Comments (7)
And you've been entering the same values into the wizard? In that case, it's possible smtp2go restricted access for your user. Try logging in to confirm you haven't hit any limits in place, or try creating another account, otherwise you may want to find an alternative to smtp2go. You'd just want to look for free smtp servers.
from smtp-email-spoofer-py.
Definitely an issue stemming from sendmail
. I can update it to log the exact error, but let me know if any of the above works.
from smtp-email-spoofer-py.
Hi @mikechabot,
Unfortunately, creating another smtp2go account didn't work for me and I am getting the same error that @Luvic95 has got. Would appreciate it if you could update sendmail
.
from smtp-email-spoofer-py.
@bogaco Yeahh.. Creating another account didnt work for me either. I believe its because Smtp2go has added domain validation now. I think that is the source of the problem (I might be wrong. idk), I am still trying to find a smtp service provider that does not do this validation. I will update you as soon as I manage to find a solution on my end too.
from smtp-email-spoofer-py.
So here's the full stack trace; basically it boils down to unable to verify sender address.
Looks like smtp2go has implemented some protective measures to thwart this type of spoofing. I spoofed the sender as [email protected]
.
Send message (Y/N)?: y
Sending spoofed message...
Unable to send message. Check sender, recipients and message body
Traceback (most recent call last):
File "C:\_workspaces\smtp-email-spoofer-py\spoofer\models\smtpconnection.py", line 97, in send_mail
self.server.sendmail(self.sender, self.recipients, message.as_string())
File "C:\Program Files (x86)\Microsoft Visual Studio\Shared\Python37_64\lib\smtplib.py", line 881, in sendmail
raise SMTPRecipientsRefused(senderrs)
smtplib.SMTPRecipientsRefused: {'[email protected]': (550, b'unable to verify sender address.')}
Here's their bit of info: https://support.smtp2go.com/hc/en-gb/articles/223087847--Unable-To-Verify-Sender-Address-Error-Message
Going to try with a valid email address as the sender that I own.
from smtp-email-spoofer-py.
Okay, so when sending from a valid email address, where the domain has a proper MX record, it seems to work.
Now if you own the sending address, which I do above, it essentially defeats the purpose of spoofing, since you'd just use that particular mail client. However, it seems you would be able to spoof mail from any known email address that you don't own. I cannot endorse or condone that behavior, but it does appear possible.
from smtp-email-spoofer-py.
Closing this out; smtp2go
now ensures that a valid MX record exists for the spoofed message sender. One option is to try to locate another open SMTP provider; otherwise you'd need to spoof a valid email address, which I cannot condone or advise, unless you own it.
from smtp-email-spoofer-py.
Related Issues (20)
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- it goes into the spam folder. HOT 2
- "SMTP Server does not support TLS" with sendmail on ubuntu
- For the owner HOT 3
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- cannot add additional recipients HOT 1
- Unable to send message. Check sender, recipients and message body HOT 4
- No module named spoofer HOT 2
- Step 3 error: pip install -r requirements.txt HOT 2
- Traceback (most recent call last): File ".\spoof.py", line 2, in <module> from spoofer import conf HOT 2
- I sent email to tested email but it marked as Spam and have high warning .Please help me ! HOT 1
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