Author Topic: TLS is required  (Read 51 times)

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TLS is required
« on: December 04, 2017, 10:34:32 AM »
Hi,

i can't sent email i get the following error: TLS is required, but host smtp.sendgrid.net[159.122.219.43] refused to start TLS: 454 4.7.0 TLS not available due to local problem.
maillog output:
postfix/smtpd[29235]: connect from mat.internal[10.101.0.3]
postfix/smtp[29234]: 74BE011F049A: to=<exemple@gmail.com>, relay=smtp.sendgrid.net[159.122.219.43]:2525, delay=0.06, delays=0.06/0/0/0, dsn=4.7.0, status=deferred (TLS is required, but host smtp.sendgrid.net[159.122.219.43] refused to start TLS: 454 4.7.0 TLS not available due to local problem)
postfix/cleanup[29226]: 83B2C11F049C: message-id=<20171204102616.83B2C11F049C@matkillall.com>
postfix/qmgr[21019]: 83B2C11F049C: from=<double-bounce@matkillall.com>, size=947, nrcpt=1 (queue active)
postfix/smtpd[29235]: disconnect from mat.internal[10.101.0.3]
postfix/local[29238]: 83B2C11F049C: to=<root@matkillall.com>, orig_to=<postmaster>, relay=local, delay=0.01, delays=0.01/0/0/0, dsn=2.0.0, status=sent (delivered to mailbox)
postfix/qmgr[21019]: 83B2C11F049C: removed


using postfix on google computer instance. Redirection on port 2525 look good, maybe a ssl problem? i have installed cetificate for my domain and host machine. running on centos 7 with php 7.0.20.

Anyone allready faced a problem like this?

Thanks