Avatar for Username

Search Support

Avoid support scams. We will never ask you to call or text a phone number or share personal information. Please report suspicious activity using the “Report Abuse” option.

Learn More

Èròjà atẹ̀lélànà yii ni a ti fi pamọ́ fọ́jọ́ pípẹ́. Jọ̀wọ́ béèrè ìbéèrè titun bí o bá nílò ìrànwọ́.

5.1.7 Invalid sender address syntax when asking for notification

  • 2 àwọn èsì
  • 1 ní ìṣòro yìí
  • 6 views
  • Èsì tí ó kẹ́hìn lọ́wọ́ user1366614

user1366614
user1366614
more options

when sending mail with notication to provider KPN I get an 5.1.7 Invalid sender address syntax when sending without notification of recieving no problems what to do?

when sending mail with notication to provider KPN I get an 5.1.7 Invalid sender address syntax when sending without notification of recieving no problems what to do?

Ọ̀nà àbáyọ tí a yàn

I heard about an undocumented solution: using mail.planet.nl, port 25, ssl, no username (!) all working again

Ka ìdáhùn ni ìṣètò kíkà 👍 0

All Replies (2)

user1366614
user1366614 Ìbéèrè olóhun
more options

and I checked my sent mail header looking at the source of the message: there is no "Return-Receipt-To" ??? From - Mon Dec 12 06:22:20 2016 X-Mozilla-Status: 0001 X-Mozilla-Status2: 00800000 X-Mozilla-Keys: To: [email protected] From: bbb <[email protected]> Subject: test Message-ID: <[email protected]> Date: Mon, 12 Dec 2016 06:22:19 +0100 User-Agent: Mozilla/5.0 (Windows NT 6.3; WOW64; rv:45.0) Gecko/20100101 

Thunderbird/45.5.1

MIME-Version: 1.0 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 7bit

user1366614
user1366614 Ìbéèrè olóhun
more options

Ọ̀nà àbáyọ Tí a Yàn

I heard about an undocumented solution: using mail.planet.nl, port 25, ssl, no username (!) all working again