Earlier quoted context omitted.
Adding to this. You can only use Gmail for sending with your own domains when you have 2FA enabled.
Not really. It also works if you also lower your account security setting to low to enable 'Less-secured app' to login.
My account is sending spam emails
151–154 of 154 posts
Re: My account is sending spam emails
#152Re: My account is sending spam emails
#153Don't freak out about them being in your Sent folder. Remember that Gmail doesn't have "traditional" mail folders -- just a huge pile of all your e-mail messages with "labels" attached to them. Apparently Google decides that if the From: address is yours, then you "sent" the message. Note that in SMTP there are two "from addresses": the envelope sender (which you don't see) and the "From:" address/header (which you d…
Just to be clear, most automated emails from major providers have them different. This is because, while the From header is shown to the user, the envelope sender is sent bounces.
So companies like Google, SendGrid (used by GitHub), and MailChimp set up special "bounce handler" addresses as the envelope sender to detect if there's a problem sending you email.
https://en.m.wikipedia.org/wiki/Variable_envelope_return_pat...