Invalid Mailbox Syntax Is Used ?

See https://contactform7.com/configuration-errors/invalid-mailbox-syntax/

Hi Takayuki,

thank for getting back so quickly.

As written above, I’ve checked this page already and couldn’t find a solution for it.

As you can see in the screenshot by following the link above, I included a mail-tag but the error still exists.

• This reply was modified 5 years, 6 months ago by chrismccarston.

@chrismccarston

You need to have an email address in the from field that also matches the domain that is sending, so if you put: [email protected] in that field you’ll receive the submissions. You could put [your-email] in that field but it might get bounced and CF7 will say it’s invalid syntax.

you’ll then have to add this into the additional headers field in order to reply to the customer:

Reply-To: [your-email]

• This reply was modified 5 years, 6 months ago by allan1978.

@allan1978

Thanks for your help, but I don’t get it.

The “From” field is the field where the website visitor fills in his e-mail address, right?

How should their email match with my domain?

I just tried to put every possible mail-tag in this field but still get the same error again and again:

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Thanks guys

Did you try my solution?

The from email needs to match the sending domain, if the from address doesn’t match the sending domain it’ll likely get blocked or bounced by the receiver (your mail host). There’s a good chance you’ll still receive it if you use [your-email] in the from field but to improve the chance of deliverability it’d better to use [email protected]

Adding Reply-To: [your-email] means that when you reply to the incoming email you’ll be replying to the enquirer.

@allan1978

Sry mate, I don’t get it.

Why should I use my domain email for the “From” field if this is the field where the visitor puts their email address in?

@allan1978 is correct.

It took me a while to figure that out, too, but let me see if I can help explain/clarify, as I understand it, myself:

That’s not quite exactly how that “From” field works. The form sends *from your website*, not directly from someone’s personal email address, so the FROM field refers to where the FORM comes from. In this sense, since the form is being submitted from your website, the plug-in looks for an email address associated with your website.

What I do is set that FROM field to:

My Company Name <[email protected]>, so in my case I use BJS Design Studio <[email protected]>

(obviously, replace the name and email address with what works for you).

Then, you set the “Reply-to” field as Allan mentioned above: [your-email]. When you REPLY to the form submission, the reply will go to the sender’s email address, as they entered it.

I could be wrong on some of this, but that’s how I’ve come to understand it, and it’s been working great!

Thanks @allan1978, the error disappeared and I received my test mail to [email protected] as supposed to do.

But now I don’t see any info of the sender except the subject and message. No name or email address.

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Any idea?

Thanks a lot

Any other ideas?

I am getting messages through the contact form but can’t reply since it says sender email would be [email protected] which is obviously the one who receives the email from the contact form.

View post on imgur.com

Cheers