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Thunderbird connected to a Kerio 9.2.6 server that use as SMTP Amazon SES

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danilogay
danilogay
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I use Thunderbird connected in IMAP to a server Kerio 9.2.6 that use (to send email out of my domain) as SMTP the service Amazon SES. I have three Thunderbird and usually I can send to more than 50 addresses, but sometimes one of the Thunderbird doesnt't permit to send to more than 50 addresses, answering "Action: failed, Status: 5.3.2, Remote-MTA: email-smtp.eu-west-1.amazonaws.com, Diagnostic-Code: SMTP; 554 Transaction failed: Recipient count exceeds 50.". I know that Amazon SES has that limit, if I insert as SMTP Amazon SES directly in Thunderbird I know that I cannot send to more than 50 addresses but using the server Kerio the limit usually doesn't appear... On the others Thunderbird (and also using other client) I have no problem... The versione of Thunderbird is the last, 52.8.0 (32 bit). Can someone help me? Thanks

I use Thunderbird connected in IMAP to a server Kerio 9.2.6 that use (to send email out of my domain) as SMTP the service Amazon SES. I have three Thunderbird and usually I can send to more than 50 addresses, but sometimes one of the Thunderbird doesnt't permit to send to more than 50 addresses, answering "Action: failed, Status: 5.3.2, Remote-MTA: email-smtp.eu-west-1.amazonaws.com, Diagnostic-Code: SMTP; 554 Transaction failed: Recipient count exceeds 50.". I know that Amazon SES has that limit, if I insert as SMTP Amazon SES directly in Thunderbird I know that I cannot send to more than 50 addresses but using the server Kerio the limit usually doesn't appear... On the others Thunderbird (and also using other client) I have no problem... The versione of Thunderbird is the last, 52.8.0 (32 bit). Can someone help me? Thanks

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That error message is from the server, not Thunderbird.

Thunderbird does indeed have a limit, but the unusual wording suggests it is based on character count rather than an absolute number of addressees. The usual recommendation to sidestep this built-in limit is to use a Mailing List.

http://kb.mozillazine.org/Limits_(Thunderbird)#E-mail_addresses

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Zenos
Zenos
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Valgt løsning

That error message is from the server, not Thunderbird.

Thunderbird does indeed have a limit, but the unusual wording suggests it is based on character count rather than an absolute number of addressees. The usual recommendation to sidestep this built-in limit is to use a Mailing List.

http://kb.mozillazine.org/Limits_(Thunderbird)#E-mail_addresses