Gmail is rejecting SmarterMail password reset emails because of null sender on From line

Idea shared by Linda Pagillo - 8/1/2019 at 5:02 AM

Completed

Hi SmarterTools team! I had a customer report to me that SmarterMail password reset emails were getting rejected by Gmail with the following message in the Delivery log...

[2019.07.31] 12:58:03.097 [07750] RSP: 550-5.7.1 [xxx.xxx.xxx.xxx 14] Messages missing a valid address in From:

[2019.07.31] 12:58:03.097 [07750] RSP: 550 5.7.1 header, or having no From: header, are not accepted. r22si82549113ioh.94 – gsmtp

When I looked at the From address it is as follows...

[2019.07.31] 12:58:02.816 [07750] CMD: MAIL FROM:<> SIZE=1803

This tells me that Gmail is rejecting the message because system messages are sent with the null sender <>.

I'm proposing that SmarterTools change the null sender on system messages to an actual email address so that Gmail stops rejecting these.

Thanks for your consideration.

Linda Pagillo
Mail's Best Friend
Email: linda.pagillo@mailsbestfriend.com
Web: www.mailsbestfriend.com

Authorized SmarterTools Reseller

Authorized Message Sniffer Reseller

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Kyle Kerst Replied

8/1/2019 at 8:56 AM

Employee Post

Linda, this was corrected in the latest releases of SmarterMail. Once updated, navigate to Settings>System Messages to configure the from name and address information with something valid, and you should start seeing these messages delivered successfully.

Kyle Kerst IT Coordinator SmarterTools Inc. www.smartertools.com

Linda Pagillo Replied

8/1/2019 at 9:20 AM

Oh! I completely missed that! Thanks so much Kyle!

Linda Pagillo Mail's Best Friend Email: linda.pagillo@mailsbestfriend.com Web: www.mailsbestfriend.com Authorized SmarterTools Reseller Authorized Message Sniffer Reseller

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