Can I Change the 'From' Address When Sending Emails via Gmail's SMTP Server?

Changing the From Address When Using Gmail SMTP Server

When utilizing Gmail's SMTP server, it's desirable to modify the sender's address displayed in the email received by the recipient. However, it's important to note that this is not an achievable task via PHP.

Gmail's Restriction on Sender Address Modification

Google imposes a strict policy on modifying the From and Reply-To headers in emails sent through its SMTP service. The company rewrites these headers to reflect the email address associated with the Gmail account used. This measure aims to prevent spam and maintain Google's reputation with anti-spam services.

Reasons for Gmail's Restriction

The Gmail SMTP feature is not intended for general open or relay purposes. If arbitrary From headers were permitted, Google's ability to verify the sender's credibility would be compromised, potentially leading to spam issues.

Alternative Solutions

If it's imperative to change the sender address, consider the following options:

• Dedicated Gmail Account: Create a dedicated Gmail account with the desired sender address, such as "[email protected]"
• Gmail for Domains: If you own the domain of the supposed sender, utilize Gmail for Domains. This service allows you to create email addresses like "[email protected]" for free.

Other Alternatives

If using Gmail is not an option, consider default email transfer solutions offered by most hosting providers, such as Sendmail, Postfix, or IIS. These solutions provide the flexibility to send emails from any desired address.

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