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Backup / Reporting -> SMTP error

Hi

Since Version 6 of ASL, i see (from time to time) the following errore in the SMTP Proxy Log:
SMTP protocol violation: synchronization error (input sent without waiting for greeting): rejected connection from H=localhost [127.0.0.1]

This error is permanent since update to 6.203.
Because of this, it is not possible for my, to get a backup (via mail) from ASL or to receive reports, update-info etc via mail.

Also same error after installing a new system from scratch.

Has found 1 solution with google:

edit exim4.conf and set "smtp_enforce_synch = false". but i think, this is the wrong way and bad solution.

All other mailings works fine without problems.

Any ideas
Thanks Peter

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0 pineiro over 19 years ago

I had the same Problem, but i use Version 6.202
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0 PeterE over 19 years ago in reply to pineiro

Hi pineiro

I began long ago with the version 4 and has made always via Backup the updates over the version 5 on the today's version 6. Is this with you also the case?

Thanks Peter
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0 pineiro over 19 years ago in reply to PeterE

No we installed a fresh ASG 220 to replace our Old Firewall on Wednesday.
We had the Problem form the beginning.
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0 PeterE over 19 years ago in reply to pineiro

Hi pineiro

Has something to do with configuration:

1. Install new ASG --> works fine
2. restore Config --> bad (same problem)

Will do more test

Cheers Peter
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0 pineiro over 19 years ago in reply to PeterE

Hi, do you have found more in your Tests?

Our Mail does not work.
Always the Same Error.
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0 PeterE over 19 years ago in reply to pineiro

Hi pineiro

Do you use dynamic dns and update your host-record in dns with astaro or an other tool behind the firewall?

Cheers Peter
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0 PeterE over 19 years ago in reply to PeterE

Hi pineiro

I hope, that i has found the problem. Some questions:

1. do you use smtp-proxy (red to green network) ?
2. your red interface has an ip-addr, exist an dns a-record in internet-dns for this ip-addr ?
3. point the internet dns mx-record to the same a-record ?
4. Config Astaro: PROXIES -> SMTP -> Hostname (MX): same name like internet dns a-record ?

After this (check's and) changes, i can force a backup via mail an (at the moment) all works fine.

please check, change and give me feedback

Cheers Peter
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