webmail error sending to 4 or more recipients "address format is invalid"

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Inology
Posts: 15
Joined: Wed Jun 03, 2009 6:49 am

webmail error sending to 4 or more recipients "address format is invalid"

Post by Inology » Thu Dec 12, 2019 2:13 am

Since upgrading to version 10.28 we are getting clients saying they cannot send to more than 4 recipients in Webmail.

We confirmed this trying to send to 4 or more from one of our own email accounts. Sending to 3 or less was fine.

An error with title "Address Resolution Problem" and reason "Address Format is Invalid". See attached screen shot.
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Email Error (003).jpeg
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Inology
Posts: 15
Joined: Wed Jun 03, 2009 6:49 am

Re: webmail error sending to 4 or more recipients "address format is invalid"

Post by Inology » Tue Dec 17, 2019 12:25 am

Has someone put a limit on the number of characters in the To field or perhaps it is being truncated to say 100 chars when checking email addresses. Sometimes it works with 4 emails and sometimes not. I tried again 4 email addresses then added a 5th and it did not work. I then copied the exact addresses from the To field and put into a message on outlook and it worked fine.

It would be great if I can get some help on this.

John

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